Guest speaker series

David Aguilar

David Aguilar Amphoux was born with Poland Syndrome, a condition that prevented the full development of his right forearm and pectoral muscles. At the age of nine, he received his first set of Lego bricks, sparking a life-changing passion. A few years later, using Lego Technic, David ingeniously constructed a fully functional prosthetic arm, marking the beginning of a journey dedicated to making affordable prosthetics accessible worldwide.

Pursuing his passion for innovation, David studied bioengineering at the International University of Catalonia. His efforts have earned him numerous awards, including a Guinness World Record in 2019. Today, David, who has experience bullying, is a powerful advocate for inclusivity and compassion.

Bartholomew Patrick "Bertie" Ahern 

Bartholomew Patrick "Bertie" Ahern is an Irish politician who served as Taoiseach (Prime Minister) from 1997 to 2008 and as leader of the Fianna Fáil party during the same period. Ahern was also a Teachta Dála (TD) from 1977 to 2011, holding various key roles, including Minister for Finance and Tánaiste (Deputy Prime Minister). 
Under his leadership, Fianna Fáil led three coalition governments, making him the second-longest-serving Taoiseach in Irish history. 

 

Lord Alfred Dubs

Lord Dubs was born in December 1932 in Prague and was among the Czech children saved from the Nazis through the Kindertransport. He remained unaware of his rescuer's identity until 1988, when a family member recognised his name on Esther Rantzen's "This Is Your Life", which featured Nicholas Winton, an English former stockbroker who facilitated the escape of 669 children from Nazi-occupied Prague. Alf Dubs advocated for Winton to receive recognition for his heroic actions, leading to Winton's eventual knighthood. Lord Dubs is a British Labour politician and a former Member of Parliament.

 

Stefania Giannini

Stefania Giannini has served as UNESCO's Assistant Director-General for Education since May 2018, making her the leading UN official in the field of global education. In this role, she oversees the strategic direction and leadership in implementing the Education 2030 Agenda, as outlined in Sustainable Development Goal 4.
Under her leadership, Giannini has revitalized multilateral and bilateral education partnerships, established the Multilateral Education Platform, and emphasised the ethical role of education in equipping learners to face 21st-century challenges. She has also highlighted the crucial role of education institutions in achieving the Sustainable Development Goals and strengthened the connections between education, culture, and the sciences.
During the COVID-19 pandemic, Giannini reinforced UNESCO's leadership by providing global evidence, guidance, and policy support to ensure education remained a priority in recovery efforts. She spearheaded collaborative initiatives with public and private partners, such as the Global Education Coalition, to build resilience and reimagine education for the future.

Jane Goodall

Jane Goodall is a pioneer in research into human-animal relationships, and has been involved in the preservation of Africa's wild animal life from an early age. Ethologist through her work on chimpanzees, animal protection icon and tireless environmental activist, Dr. Jane Goodall is widely regarded as the leading authority on chimpanzees, having spent over 60 years researching the social and familial behaviors of wild chimpanzees.

 

 

Anthony Grayling

Anthony Grayling CBE, MA, DPhil (Oxon) is the Master of New College of the Humanities and a Supernumerary Fellow of St Anne's College, Oxford. A former Professor of Philosophy at Birkbeck College, University of London, he has authored and edited over thirty books, including "The Good Book" and "Democracy and its Crisis." Grayling has contributed to numerous publications such as The Guardian, The Times, and the New Statesman, and is a frequent broadcaster on BBC Radio. He has also held significant roles in human rights advocacy, including serving as a representative to the UN Human Rights Council and a Vice President of the British Humanist Association. Grayling has been a Man Booker Prize judge and supports various charities, including Amnesty International and Médecins Sans Frontières.

Dr. Leyla Hussein

Dr. Leyla Hussein is a renowned psychotherapist specialising in supporting survivors of sexual abuse. She is an international lecturer and speaker on female genital mutilation (FGM) and gender rights, recognised globally as one of the foremost experts in this field. An award-winning advocate, Leyla has led international campaigns against all forms of violence against women and girls. She founded The Dahlia Project, the UK’s first dedicated therapeutic service for FGM survivors. In 2020, she made history as the first Black woman elected as Rector of the University of St Andrews, serving a three-year term. Currently, she serves as the Global Advocacy Director for The Girl Generation, supporting the Africa-led movement to end FGM/C.

Emmanuel Jal

Emmanuel Jal is a former child soldier from the South Sudan turned hip-hop sensation, international recording artist, activist and philanthropist. Jal spreads his message of reconciliation worldwide, using his music and advocacy to teach that peace begins from within.

 

 

Michael Johnson

Michael Johnson is a celebrated American retired sprinter renowned for his extraordinary achievements. Over the course of his illustrious career, he secured an impressive four Olympic gold medals and eight World Championship titles. Johnson set both the world and Olympic records in the 200 meters and 400 meters. Widely regarded as one of the greatest and most consistent sprinters in the history of track and field, Johnson's legacy continues to inspire future generations of athletes.

 

 

Zarghuna Kargar

Zarghuna Kargar, born in Kabul, is an award-winning journalist with BBC World News, based in London. With a career largely dedicated to advocating for Afghan women, Kargar has reported on and written about their experiences extensively. She produced and presented the BBC's Afghan Woman's Hour and is the author of "Dear Zari: The Secret Lives of Women in Afghanistan" (2012), a powerful book that gives Afghan women the platform to share their stories in their own words. 

 

 

Secunder Kermani

Secunder Kermani is an award-winning journalist and the Foreign Affairs Correspondent for Channel 4 News (UK). Known for his fearless reporting, he is one of the few international journalists to have ventured into rebel-held areas of Myanmar amidst a brutal civil war. Recently, he conducted an exclusive interview with former Pakistani Prime Minister Imran Khan following his release from jail. Since joining Channel 4 News, Secunder has reported on significant events in Brazil, Israel, the Palestinian Territories, and Japan. Prior to this, he served as the BBC's Correspondent for Pakistan and Afghanistan, where he was at the forefront of reporting on the Taliban's rise to power.

 

ManSound

Founded in 1994, ManSound is an internationally acclaimed a cappella vocal group from Ukraine. Consisting of six talented singers, the group blends jazz, gospel, pop, and traditional music into unique and sophisticated arrangements. With their vocal precision, dynamic performances, and incredible improvisational skills, ManSound has captivated audiences in over 25 countries worldwide.

They have received numerous prestigious awards, including at the Moscow Spring A Cappella Festival, and are celebrated for pushing the boundaries of vocal artistry. With a mission to promote a cappella music and unite cultures through their harmonies, ManSound continues to be a proud artistic ambassador of Ukraine.

Alexis McGivern

Ecolint alumna and University of Oxford graduate Alexis McGivern serves as the Net Zero Standards Manager at Oxford Net Zero, where she bridges academic research on net zero with practical insights for the business sector. Her work focuses on enhancing standards to uphold the integrity of net zero commitments, with a particular emphasis on justice and equity issues. Alexis is also a co-founder of 26,000 Climate Conversations, an Oxford student-led initiative aimed at fostering support for climate action through personal dialogue.

 

Monica McWilliams

Monica McWilliams is a distinguished Northern Irish academic, peace activist, and human rights advocate with a significant political background. In 1996, she co-founded the Northern Ireland Women’s Coalition (NIWC), a political party that played a crucial role in the Multi-Party Peace Negotiations, culminating in the historic Good Friday Agreement of 1998.
As an Emeritus Professor at the Transitional Justice Institute at Ulster University, McWilliams continues her impactful research on domestic violence and remains deeply involved in conflict resolution and empowering women in conflict-affected regions.

 

Cynthia Miller-Idriss

Cynthia Miller-Idriss is an award-winning author and expert on extremism and radicalization. She is the founding director of the Polarization and Extremism Research & Innovation Lab (PERIL) at American University in Washington, DC, where she is also a Professor in the School of Public Affairs and the School of Education. Dr. Miller-Idriss frequently briefs U.S. Congress, global policy and security agencies, and the United Nations on domestic extremism and prevention strategies. 
A leading voice on far-right youth and preventative interventions, she is the author of six books. Dr. Miller-Idriss also consults on legal cases involving extremism and provides expert advice to foundations and organizations focused on radicalization prevention. 

Nadia Murad

Born in Kocho, Iraq, Nadia Murad is a Yazidi Human Rights activist. Kidnapped by ISIS in 2014 and sold as a sexual slave, Murad escaped her captors and shortly thereafter began speaking out about human trafficking and sexual violence. Now based in Germany, Murad was appointed the United Nations Goodwill Ambassador for the Dignity of Survivors of Human Trafficking in 2016 and received several accolades, including the Sakharov Prize in that same year. In 2018, Murad was a co-recipient, along with Congolese gynaecologist and women’s rights activist Denis Mukwege, of the Nobel Prize for Peace.
 

Ngozi Okonjo-Iweala

Ngozi Okonjo-Iweala is a Nigerian economist and the first woman and African to serve as the Director-General of the World Trade Organization (WTO), a position she has held since March 2021. Before leading the WTO, she built an impressive career as a global leader in economics and development.
Okonjo-Iweala's extensive experience includes serving on the boards of prominent organisations such as Danone, Standard Chartered Bank, the Rockefeller Foundation, and the Global Alliance for Vaccines and Immunization (GAVI). She was also a board member of Twitter until stepping down to assume her role at the WTO.
In addition to her work with the WTO, Okonjo-Iweala is a non-resident distinguished fellow at the Brookings Institution's Africa Growth Initiative and co-chairs the Global Commission on the Economy and Climate. In her home country of Nigeria, Okonjo-Iweala made history as the first woman to serve two terms as Finance Minister. She also briefly served as Nigeria’s Minister for Foreign Affairs. In 2005, Euromoney recognized her contributions by naming her Global Finance Minister of the Year.

David Olusoga

David Olusoga is a prominent and award winning British historian, writer, broadcaster, presenter, and filmmaker. He is Professor of Public History at the University of Manchester and is widely recognised for his contributions to historical documentaries on the BBC. Olusoga has been featured in the Powerlist, which ranks the 100 most influential Black Britons, and among the Top 10 most influential.
In recognition of his services to history and community integration, Olusoga was appointed an Officer of the Order of the British Empire (OBE). He received his medal from King Charles III in February 2023.

 

Ana María Pastor Julián

Ana Pastor Julián is a prominent Spanish public figure with a distinguished career in both politics and health administration. She currently serves as the President of A.M.A. Grupo, an organization providing mutual benefit services for health professionals. Throughout her career, she has been dedicated to supporting and growing this group, which now ranks third among Spanish mutual insurance companies by premium volume.

Pastor Julián has held numerous high-ranking positions within the Spanish government. Most notably, she was the President of the Congress of Deputies from 2016 to 2019, the first woman doctor in Spanish democratic history to hold this role. She also served as Minister of Public Works (2011–2016) and Minister of Health and Consumer Affairs (2002–2004), where she introduced significant health reforms, including laws regulating patient autonomy and the quality of the National Health System.

Her academic background is equally impressive. Pastor Julián holds a degree in Medicine and Surgery from the University of Salamanca, a Master’s in Public Health, and a Higher Course in Health Administration and Management. Additionally, she has served as an associate professor at the University Carlos III of Madrid, contributing to public administration education.

In her talks, Pastor Julián draws upon her extensive experience in governance, public health, and leadership. She addresses topics ranging from political and economic challenges to negotiation, showcasing her ability to broker major agreements in difficult circumstances. Her work has been recognized with numerous prestigious awards, including the Grand Cross of the Order of Carlos III, the Grand Cross of the Order of Civil Merit, and various international honors from countries such as Chile, France, and Portugal.

Beyond politics, Pastor Julián has been a lifelong advocate for public service, contributing her expertise to national and international organizations. Her dedication to public administration and governance remains an inspiration for those aspiring to create positive change in society.

Tj Power

Tj Power is a neuroscientist, author, and international speaker, co-founder of Neurify, an organisation dedicated to optimising mental health through accessible, science-based teachings. Starting as a psychology lecturer at the University of Exeter, Tj identified a gap in mental health support in both educational and corporate settings. He has since delivered over 350 keynotes worldwide, empowering audiences to take control of their mental well-being. His innovative approach has been successfully implemented in major organisations, including Coca-Cola and the NHS, addressing the impact of modern digital lifestyles on mental health.

 

Claudia de Rham

Claudia de Rham is a Swiss-born British theoretical physicist specialising in the fields of gravity, cosmology, and particle physics, currently serving as a professor at Imperial College London. She gained significant recognition for her groundbreaking work in reviving the theory of massive gravity, earning her a place as a UK finalist in the Physical Sciences and Engineering category of the Blavatnik Award for Young Scientists in 2018, and ultimately winning the prestigious award in 2020. She is a relentless advocate for increasing the representation of girls in physics.

 

Helen and Kate Richardson-Walsh

Helen and Kate Richardson-Walsh are British field hockey players who have made history both on and off the field. As members of the Great Britain women's hockey team, they won bronze at the London 2012 Olympics and gold at the Rio 2016 Olympics. Helen captained the team, while Kate played a pivotal role in defence, making them the first same-sex married couple to win Olympic gold together. Their partnership, both in sport and life, has been an inspiring example of teamwork, resilience, and equality.

 

Janine Rogan

Author of "The Pink Tax: Dismantling a Financial System Designed to Keep Women Broke", Janine Rogan, Chartered Professional Accountant (CPA), is the founder and CEO of The Wealth Building Academy Inc., an award-winning CPA, and a passionate keynote speaker. Dedicated to empowering women to grow their wealth, she has been featured in international media and has spoken to audiences worldwide. Janine serves on the boards of CPA Alberta Education Foundation, the Further Education Society of Alberta (FESA), and the planning committee of the AICPA Women’s Global Leadership Summit. She co-hosts the Pink Tax Podcast.

 

Vandana Shiva

Vandana Shiva is an Indian scholar, environmental activist, and prominent advocate for food sovereignty, ecofeminism, and anti-globalization. Often dubbed the "Gandhi of Grain," she has been a leading voice against genetically modified organisms (GMOs) and has dedicated her life to defending the rights of farmers and promoting sustainable agriculture.
Based in Delhi, Shiva has authored over 20 books and is a prominent figure in the global environmental movement. She serves as a leader and board member of the International Forum on Globalization. Her work emphasizes the importance of traditional agricultural practices and the protection of biodiversity.
Her relentless activism and thought leadership have made her a key figure in the fight for a more equitable and sustainable world.

Yusra Suedi

Ecolint alumna, Yusra Suedi is a Lecturer in International Law at the University of Manchester. She holds a PhD in Public International Law from the University of Geneva for her manuscript entitled The Individual in the Law and Practice of the International Court of Justice (Cambridge University Press). Yusra has worked for the United Nations Office in Geneva, the International Law Commission, the Institut Du Droit International, the International Labour Organization Administrative Tribunal and the International Court of Justice. She has held teaching and research positions at the London School of Economics (LSE) Law School and the University of Geneva. She has acted in cases before the International Court of Justice and the International Criminal Court, has published in journals such as The European Journal of International Law and the Leiden Journal of International Law.

Robert Swan

Raised in Yorkshire, England, Robert has earned his place alongside the greatest explorers in history by being the first person to walk to both the North and South Poles.  After seeing first hand the effects of Climate Change during his polar journeys, Robert has dedicated himself to protecting Antarctica and our planet at large. Positive participation and a committed team have enabled Robert to educate and stimulate people across the globe.

It is through his expeditions and lectures that Swan works to inform, engage and inspire the next generation of leaders to take responsibility, be sustainable, and know that now is the time for action in policy development, sustainable business generation and future technologies. 

Anne Wafula Strike

Anne Wafula Strike is a British Paralympic wheelchair racer and a powerful advocate for disability rights. Born in Kenya and diagnosed with polio at a young age, she overcame significant challenges to become the first East African woman to compete in wheelchair racing at the Paralympic level. Anne has competed internationally, representing Great Britain, and uses her platform to raise awareness about accessibility, inclusion, and the rights of people with disabilities. Her resilience and determination continue to inspire many both on and off the track.

 

Dianne Whelan

Dianne Whelan, award-winning Canadian Documentary filmmaker, and accomplished photographer, artist, storyteller, author and public speaker.
Dianne has written, directed, and produced two award winning films, a three-part series for CBC, a Gemini-nominated interactive website, written two books and has exhibited her photographs in numerous art galleries in her 30-year career as an artist and storyteller. In August 2021 she completed the land and water trails of the 24,000 km Trans Canada Trail and is the first person and woman to do so. The journey is the subject film project 500 Days in the Wild and will be the story of her next book.

Her feature documentary 40 Days at Base Camp was shot on Mt. Everest and is accompanied by her book about her Everest experience called, Base Camp:40 Days on Everest. Dianne’s book, This Vanishing Land, is based on her experience filming in Canada’s High Arctic called, This Land (NFB).

Our 300 speakers since 2014!

Archives 2014-2022

• Adam Michnik, Polish historian, essayist, former dissident, and editor-in-chief of the newspaper Gazeta Wyborcza
• Adam Smith, Food waste activist and former chef
• Adèle Zufferey, Head psychotherapist for the Fondation Agnodice active in supporting the integration and well-being of transgender and/or non-binary persons
• Agnes Kaposi, British-Hungarian engineer, author and Holocaust survivor
• Akiko Fujimoto, Japanese jiuta musician
• Alastair Campbell, British journalist, author, strategist, broadcaster and activist
• Alastair Humphreys, British adventurer, author and motivational speaker
• Alberto Vollmer, Chair and CEO of Ron Santa Teresa and Founder of Project Alcatraz in support of the rehabilitation and reintegration of gang members in Venezuela
• Aletheia Casey, Australian photographer and founding member of Lumina Collective
• Alex Brooker, British journalist, presenter and comedian - Alfred M. Worden, American astronaut and engineer, and one of the pilots for the Apollo 15 lunar mission in 1971
• Alexa Bakony, filmmaker
• Alicia de Pfyffer, swiss sailor who took  part to the Mini-Transat, an offshore race that takes competitors across the Atlantic, solo sailing, on a small 6.5 m boat with no external assistance and no contact with land allowed
• Alison Cope, activist against knife crime
• Allan Little, former BBC researcher, reporter and special correspondent - "Allan Little on Trump, BBC bias and post-truth", interview by The Update (2016)
• Ana Waddington, emergency department nurse, founder of YourStance and La Grande Boissière (2007) alumna
• Angela Davis, American political activist, philosopher, academic and author 
• Angela Rayner, British politician
• Anita Studer, Swiss-born ornithologist, conservationist, ecologist and founder of the Nordesta Association for the preservation of the rainforest and the protection of isolated indigenous populations
• Anna Birley, Policy Officer at The Co-Operative Party and co-founder of Reclaim These Streets
• Anna Harrison, Activist with Extinction Rebellion - Conference by Anna Harrison for La Châtaigneraie students in April 2021
• Anna McNuff, adventurer and award-winning sports personality
• Anne-Claude Laurent and François Cerny, creators of interactive shows that combine storytelling, song and music
• Anne-Frédérique Widmann, swiss investigative journalist, director and producer
• Antonio Skármeta, Chilean writer
• Ariel Nasr, Afghan film director and writer
• Athar Sultan-Khan, UN diplomat, Dean and Professor of International Relations at Geneva School of Diplomacy and Ecolint alumnus (LGB '74)
• Avraham Roet, Dutch Holocaust survivor
• Axun Lasa & Maixabel Lasa, Basque anti-terrorist and anti-torture activists
• Azeem Rafiq, English cricketer 
• B8 of Hope, Swiss non-profit association which supports peacebuilding and change-making Palestinian and Israel civil society and grassroots initiatives - Interview by The Update (2021)
• Baptiste Lavie, Researcher at the Department of Astronomy of the University of Geneva
• Barbara Hendricks, American operatic soprano and concert singer
• Ben Helfgott, Polish-born British Holocaust survivor and former weightlifting champion
• Ben Powless, Mohawk documentary photographer, videographer, writer and activist involved in the Indigenous rights and environmental justice movement - Conference by Ben Powless for La Châtaigneraie students in April 2021
• Ben Smith, British runner and charity campaigner for anti-bullying organisations
• Bertrand Piccard, initiator and pioneer behind Solar Impulse, the first airplane capable of flying perpetually without fuel
• Bill Morrison, Author, speaker and EMEA Managing Director for Sandler - Conference by Bill Morrison for La Grande Boissière students in January 2021
• Bobby Barnes, a former professional footballer who played for WestHam United and Aldershot
• Boris Izaguirre, Venezuelan-Spanish screenwriter, journalist, writer, TV host and showman
• Boris Volodarsky, English historian and former captain in Russia's special forces
• Boyd McKechnie, co-founder and international advisor of The Barabar Centre
• Bree Newsome, American filmmaker, musician, speaker and activist, best known for her act of civil disobedience of June 2015, when she removed the Confederate flag from the South Carolina state house grounds in the aftermath of the Charleston church shooting
• Breyten Breytenbach, South African writer and painter known for his opposition to apartheid and consequent imprisonment by the South African government
• Brian Keenan, Northern Irish writer who spent four and half years as a hostage in Beirut from 1986 to 1990 - "Brian Keenan on being held hostage in Beirut", interview by The Update (2018)
• Brian Wilson, Emmy-winning film director
• Brie Mathers, American motivational speaker
• Carey Kirk, Psychotherapist specialised in mental health of children and adolescents - Conference by Carey Kirk for Campus des Nations parents in March 2021
• Carina Tyrrell, British-Swiss public health physician, charity ambassador and beauty competition titleholder, and alumna of La Châtaigneraie - Conference by Carina Tyrrell for La Châtaigneraie students in March 2021
• Carly McLachlan, Director of Tyndall Manchester and Associate Director of the ESRC Centre for Climate Change and Social Transformation
• Celine van Till, International para-equestrian dressage rider and athlete
• Chemmy Crawford-Alcott, English former World Cup alpine ski racer
• Chris Bail, Professor of Sociology and Public Policy at Duke University
• Chris Bonington, British mountaineer - "Chris Bonington: World renowned Mountaineer", interview The Update (2018)
• Chris Hines, British environmental activist
• Chris Jewell, exploratory caver and cave diver
• Chris Jones, Food systems specialist active in the field of sustainable urbanism - Conference by Chris Jones for La Châtaigneraie students in April 2021
• Chris Lubbe, former bodyguard to Nelson Mandela and international motivational speaker
• Chris Powell, English football coach and former player
• Christopher Bickerton, university lecturer in politics at the Department of Politics and International Studies (POLIS), University of Cambridge - "Dr Chris Bickerton on the aftermath of Brexit and voting leave from the left", interview by The Update (2016)
• Christopher O'Shaughnessy, Author, speaker and Third Culture Kid
• Ciara Judge, Irish scientist and public speaker
• Ciaran Jenkins, Welsh reporter, best known for his investigations into bogus academics and fraud
• Clara Rowe, Country Head for Mexico and Central America at Earthworm Foundation
• Claude Marshall, war refugee from WWII
• Clint Smith, American writer, poet and scholar and author of Counting Descent
• Clive Woodward, World Cup winning Head Coach for England's rugby team
• Colin Jackson, Welsh former sprint and hurdling athlete
• Cristobal Soriano, Spanish Civil War veteran and Holocaust survivor
• Cynthia Miller Idriss, award-winning author and scholar of extremism and radicalisation
• Danau Tanu, Research fellow at the universities of Western Australia and Waseda, Japan, and author of Growing Up in Transit: The Politics of Belonging at an International School
• Daniel Egger, Chief Commercial Officer at Climeworks
• Daniel von Moltke, Grandson of anti-Nazi resistance fighters Verner von Haeften and Helmuth James Graf von Moltke
• David Grossman, Israeli author
• David Hawley, Director General of the International School of Geneva
• David Harewood, British actor and presenter
• David Johns, British stand-up comedian, actor and writer, best known for his breakthrough role as Daniel Blake in the film I, Daniel Blake
• David Johnson, Former British footballer - Interview by The Update (2018)
• David Lammy, British politician and Tottenham MP
• David Nabarro, CBE, Special Envoy on Covid-19 for the World Health Organization
• David Olusoga, British-Nigerian historian, author, presenter, and Professor of Public History at the University of Manchester
• David Pratt, Scottish author, filmmaker, photographer and journalist
• Dawn Astle, daughter of former England West Bromwich Albion football Jeffrey Astle and co-founder of the Jeff Astle Foundation - Interview by The Update (2021)
• Dawn Butler, British Labour Party politician and the Member of Parliament (MP) for Brent East
• Dominique Vidaud, Associate professor of history at the University of Lyon II-Lumière and director of the Maison d'Izieu, the memorial for Jewish children who were deported and exterminated
• Ed Winters, Vegan educator and public speaker
• Edith Hall, Professor of ancient Greek literature in the Classics department and Centre for Hellenic Studies at King's College London
• Eduardo Belgrano Rawson, Argentinian novelist
• Edurne Pasaban Lizarribar, Basque Spanish mountaineer, the first woman to climb all fourteen 8000m peaks in the world
• Edward Flaherty, Irish-American lawyer, and the founder and senior partner of the law firm Schwab, Flaherty & Associés
• Eileen Hofer and Christopher, authors of the best-selling graphic novel "Audrey Hepburn"
• Elena Mankusi, United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNWRA) spokesperson
• Eleonore Guérineau & Alessio Carbone, Dancers at the Opéra de Paris
• Emanuele Capobianco, Director of Health and Care at the International Federation of Red Cross and Red Crescent Societies (IFRC) - Conference by Emanuele Capobianco for La Châtaigneraie students in December 2020
• Emily Howard, mathematician and musician
• Emily Hunter, Canadian activist, author and filmmaker, and the daughter of the late Robert Hunter, first president of Greenpeace
• Ernest Simon, Holocaust survivor
• Ernst Ostertag, Swiss LGBT rights activist
• Estela de Carlotto, Argentine human rights activist and president of the Association of Grandmothers of the Plaza de Mayo
• Eva & Zigor Arguiñano, Spanish chefs
• Eva Schloss, Holocaust survivor and memoirist, and the stepdaughter of Otto Frank, the father of Margot and diarist Anne Frank - "Eva Schloss - Holocaust survivor and step-sister of Anne Frank", interview by The Update (2016)
• Evan Tyner, Expert on security issues, political violence and terrorism
• Ewen MacAskill, Scottish journalist who helped in preparing the publication disclosures from Edward Snowden
• Fergal Keane, Irish foreign correspondent with BBC News and author
• Fergus McCreadie Trio, band
• Frédéric Fatio, Radio producer at Radio Télévision Suisse
• Gab Murphy, Australian environmental and sustainable fashion activist
• Gabriela Montero, Venezuelan pianist, known for her real-time improvisation of complex musical pieces on themes suggested by her audience
• Gadi Baltiansky, Israeli peace activist and former spokesperson for the Israeli government
• Gary Gibbon, British journalist - "Gary Gibbon: TV Impartiality Rules, Privacy of Politicians and His Path to Journalism", interview by The Update (2018)
• Gary Lewis, British actor known for his roles in Billy Elliot, Gangs of New York, Eragon and Three and Out
• Gary Younge, British journalist, author, broadcaster and academic - Conference by Gary Younge for La Châtaigneraie students in April 2021
• Genevie Fernandes, Research fellow in global health governance and respiratory health at the Usher Institute for Population Health Sciences and Informatics of the University of Edinburgh - Conference by Genevie Fernandes for La Châtaigneraie students in November 2020
• Germaine Greer, Theorist, academic and journalist known for her feminist views - "Germaine Greer on anti-feminists, transgender and how equality feminism is not enough", interview by The Update (2015)
• Gib Bulloch, Speaker, writer and facilitator on the role of business in society - Conference by Gib Bulloch for La Châtaigneraie students in December 2020
• Giles Duley, photographer, writer, chef, presenter and the CEO of the Legacy of War Foundation
• Gilles Lipovetsky, French essayist and professor of French and Philosophy at the University in Grenoble
• Gillian Slovo, South African novelist, playwright and memoirist
• Gladys Kalema-Zikusoka, a Ugandan veterinarian and founder of Conservation Through Public Health
• Graeme Le Saux, Paul Canonville & Pat Nevin, Retired English and Scottish footballers
• Graham MacGregor, Professor of Cardiovascular Medicine at the Wolfson Institute of Preventive Medicine
• Hani Abbas & Chappatte, Syrian-Palestinian and Lebanese-Swiss cartoonists
• Hannah Cockroft, British Paralympic wheelchair racer specialising in sprint distances
• Hans Brattskar, Ambassador and Permanent Representative of Norway to the United Nations and other International Organisations in Geneva
• Harriet Wistrich, English solicitor and radical feminist specialised in human rights cases, and co-founder of Justice for Women
• Heather Meyer, Researcher on education at the University of Warwick and author of The Global Imaginary of International School Communities (2021)
• Heather White, Filmmaker who has documented the human rights situation in China
• Héctor Abad Faciolince, Colombian novelist, essayist, journalist and editor
• Helen Czerski, Physicist, oceanographer, television presenter and researcher in the field of temperature, ocean bubbles, bubbles acoustics, air-sea gas transfers and ocean bubble optics at University College London
• Helen Lewis, British journalist and staff writer for The Atlantic
• Helen Pankhurst, British international development and women's rights activist, and the great-granddaughter of Emmeline Pankhurst and granddaughter of Sylvia Pankhurst, leaders of the British suffragette movement
• Helen Sharpe, Researcher in body image, disorder eating, adolescent development, depression and low mood at the University of Edinburgh
• Henry Evans, British scientist, explorer and science communicator
• Holly Hyun Choe, associate artist of the Orchestre de Chambre de Genève for the 2023 to 2026 seasons
• Honey Thaljieh, Co-founder of the Palestinian Women's National Football Team and the first woman to play football professionally in Palestine - "Honey Thaljieh - Captain of Palestinian football team", interview by The Update (2015)
• Howard Gayle, British retired footballer, the first black player to play for Liverpool in the early 1980s - "Howard Gayle on racism in football and turning down a MBE", interview by The Update (2017)
• Ian Paisley Jr, Northern Ireland Member of Parliament
• Ian Shaw, multi-award winner as best jazz vocalist 
• Ibrahim Abu Ahmad, Arab/Israeli peace activist
• Iñaki Gabilondo, Spanish journalist and TV news anchor
• Indhu Rubasingham, MBE, English theatre director - Conference by Indhu Rubasingham for La Châtaigneraie students in January 2021
• International Bridges to Justice
• International Campaign to Abolish Nuclear Weapons (ICAN)
• Irene Villa, Spanish author, press and radio journalist, and terrorist attack survivor - "Irene Villa: Spanish terror attack victim and journalist", interview by The Update (2017)
• Isabel Jaramillo Edwards, Former secretary to Chilean president Salvador Allende during the 1973 coup d'État
• Izzeldin Abuelaish, Canadian-Palestinian doctor and author, the first Palestinian doctor to work in an Israeli hospital
• Jackie Long, Social Affair Editor and presenter for Channel 4 News
• Jacky Mulveen, Women's rights activist working in support of victims of domestic abuse - Conference by Jacky Mulveen for La Châtaigneraie students in March 2021
• Jacques Dubochet, Nobel prizewinner and Emeritus Professor of biophysics at the University of Lausanne
• Jade Hameister, Australian explorer and environmentalist
• Jalinka Michaux, Senior Communications Manager for the International Basketball Federation and former basketball player
• James Breiding, Author of Swiss Made, The Untold Story Behind Switzerland's Success - Conference by James Breiding for La Grande Boissière students in December 2020
• James Eddis, Head of History, La Grande Boissière
• Jean Ziegler, Swiss sociologist and former politician - Conference of Jean Ziegler at La Grande Boissière in January 2019
• Jean-Claude Wicky, Swiss photographer noted for his series on Bolivian miners
• Jean-Luc Cressier, Co-founder of the radio programme Métissages
• Jennifer Cole, biological anthropologist and research fellow in the Department of Geography and Centre for Research into Sustainability of Royol Holloway, University of London
• Jenny Coady, Performance Coach for West Ham United Women and former international basketball player
• Jerome Elam, Writer, US Marine Corps veteran and survivor of child abuse, sex trafficking and child pornography - Interview by The Update (2018)
• Jess Phillips, British Labour Party politician and advocate for the rights of women and victims of domestic abuse
• Dr Jim Down, consultant in critical care and anaesthesia at University College London Hospitals
• Joanne Anderson, British Labour Party politician
• Jocelyn Bell Burnell, astrophysicist and Visiting Professor of Astrophysics at the University of Oxford
• Joëlle Payom, founder of Rezalliance
• John Barnes, MBE, former professional football player and manager
• John Carlin, British journalist and author
• John Finucane, Irish lawyer, Sinn Féin politician and the son of Irish human rights lawyer Pat Finucane
• John H. McCall MacBain, Founder, Director and Chair of the McCall MacBain Foundation
• John McCarthy, Irish-American Switzerland-based former president of Republicans Abroad
• John Pilger, Australian journalist and BAFTA award-winning documentary filmmaker
• Jon Snow, British journalist and television presenter, best known as the longest-running presenter of Channel 4 News - "Jon Snow on fake news, Jeremy Corbyn and Trump", interview by The Update (2017)
• Jon Sopel, writer, broadcaster and political journalist
• Jonathan Cohen, Executive Director of the peacebuilding organisation Conciliation Resources
• Jordan Jarrett-Bryan, Channel 4 News sports reporter, DJ, and journalist
• Jorge Edwards, Chilean novelist, journalist and diplomat
• Joseba Errekalde, Founder of the Harribeltza Association in support of the fight against HIV/AIDS
• Josh Bayliss, CEO of the Virgin Group
• Juan Villoro, Mexican writer and journalist, and the son of philosopher Luis Villoro
• Julie Bindel, English writer, radical feminist, and co-founder of the law-reform group Justice for Women
• Juliet Jacques, British journalist, critic and writer of short fiction, known for her work on the transgender experience - "Juliet Jacques on LGBT rights and the transgender experience", interview by The Update (2017)
• Junior Nzita Nsuami, Former child soldier from the Democratic Republic of the Congo, author and child rights advocate
• Justin Webb, British journalist - "Justin Webb on Impartiality, BBC bias and Trump", interview The Update (2017)
• Kamila Shamsie, British-Pakistani novelist - "Kamila Shamsie on Home Fire, Writing and Radicalisation", interview by The Update (2018)
• Karelle Ménine, Franco-Swiss artist
• Kariann Akemi Yokota, Associate Professor of History at the University of Colorado Denver specialising in transnational relations in the era of the American Revolution, interethnic relations in the 20th century, and material and visual culture - Interview by The Update (2021)
• Karla Ruiz Cofiño, digital strategist and social media specialist, entrepreneur, speaker, social and women's rights activist
• Karlos Zurutuza, Basque freelance war journalist
• Kate Adie, British journalist and former chief news correspondent for BBC News
• Kate Devlin, Senior Lecturer at the Department of Digital Humanities at King's College London, researcher in the field of Human Computer Interaction (HCI) and Artificial Intelligence (AI), and author
• Katherine Grainger, British rower, Olympic medallist and Great Britain's most decorated female Olympian
• Katie Gaskell & Kim Girardet, Activists in support of people with eating disorders
• Kehinde Andrews, academic, activist and author
• Keme Nzerem, Nigerian British journalist
• Kenton Cool, British mountaineer, alpinist and mountain guide
• Keren Goldstein, Israeli documentary film director, activist and creator of the international art installation She's Gone in protest of gender-based violence
• Khaled Dawas, a British surgeon and Cambridge graduate currently working at University College London
• Khairollah Alemi, Former Afghan refugee
• Kirmen Uribe, Basque writer
• Kristian Parker, Vice Chair of the Board of Trustees for the Oak Foundation and environmental advocate
• Laura Bates, British feminist writer and founder of the Everyday Sexism Project
• Lemn Sissay, English author and broadcaster
• Leonardo Padura Fuentes, Cuban novelist and journalist
• Leroy Logan, MBE, British author, founding member and chair of the Black Police Association
• Leroy Roseinor, Joe Lyons & Bryan Glover, West Ham United football club staff - Interview by The Update (2015)
• Levi Tafari,  British poet, actor and Urban Griot
• Lewis Pugh, British-South African endurance swimmer and ocean advocate
• Leyla Hussein, Somali psychotherapist and social activist against female genital mutilation - "Leyla Hussein: FGM and gender rights activist", interview by The Update (2017)
• Lindsey Cole, British adventurer best known for walking the rabbit proof fence to raise awareness about Aboriginal rights in Australia
• Liv Arnesen, Norwegian educator, cross-country skier, adventurer, guide and motivation speaker, best known as the first woman to ski solo and unsupported to the South Pole
• Loïs Meyhoffer, Ecolint's first student
• Lorenzo Niola, entrepreneur working on impact tech ventures that drive social change
• Louise Gibson, Elite cyclist and activist advocating for women's participation in the Tour de France and other cycling events
• Luc Ferry, French essayist and professor of philosophy
• Luc Moreau, Glaciologist
• Luis Cardoso, East Timorese writer
• Luke Lambourne, Media Manager at Leyton Orient Football Club - Interview by The Update (2021)
• Maboula Soumahoro, author and specialist in Afro-American studies and the Black African diaspora
• Manuel Rivas, Spanish Galician writer, poet and journalist, and a founding member of Greenpeace Spain
• Manuela Carmena Castrillo, Former lawyer, judge, Mayor of Madrid and advocate against arbitrary detention and police abuse
• Marc Baumgartner, CEO of Pangea and adventurer
• Marc Herremans, Belgian triathlete and motivational speaker
• Marc Silver, British filmmaker - Interview by The Update (2016)
• Marcia Rigg, civil rights campaigner regarding deaths in police custody and police treatment of suspects with mental health issues - "Marcia Rigg: 'Their deaths must not be in vain'", interview by The Update (2017)
• Margaret Harris, Spokesperson for the World Health Organization (WHO), member of their Covid-19 response team and public health doctor - Conference by Margaret Harris for La Châtaigneraie students in September 2020
• Margaret Humphreys, British social worker and author who brought to public attention the UK government's Home Children programme
• Margaret Oliver, English former Detective Constable with the Greater Manchester Police
• María Bueno, Spanish activist for the rights of mothers whose babies were stolen during the Francoist era and later decades of Spain's history
• Maria Van Kerkhove, American infectious disease epidemiologist and technical lead for the Covid-19 response at the World Health Organization (WHO) - Interview by The Update (2021)
• Marina Litvinenko, Human rights activist
• Marion Deichmann, Holocaust survivor - "Marion Deichmann: Holocaust survivor", interview by The Update (2018)
• Mark Stewart, film-maker, executive producer, and the son of Formula 1 legend Sir Jackie Stewart
• Martin Griffiths, Executive Director of the European Institute of Peace
• Martine Wright, British sitting volleyball player
• Matt Ellison, transgender speaker
• Matt Frei, British television news journalist and writer
• Matt Lindenberg, South African conservationist and founder of the Global Conservation Corps
• Mattia Fochesato, Assistant Professor at the Department of Social and Political Science of Bocconi University
• Mauricio Rosencof, Uruguayan playwright, poet and journalist, and former leader and member of the Tupamaros
• Max Lobe, Cameroonian writer, inspired by African literature and tales
• Maxime Chaya, Lebanese sportsman, mountaineer and explorer
• Maya Azucena, American singer-songwriter, cultural ambassador and advocate for women's rights
• Maya Youssef, Syrian qanun musician, composer and peace activist
• Michael D. Aeschliman, Emeritus professor of Education at Boston University, professor of Anglophone Culture at the University of Italian Switzerland, and curriculum advisor to the TASIS Foundation Board
• Michael Barton, autistic keynote speaker and author
• Michael Beckmann, Former GDR political prisoner, conscientious objector against the East German State and torture survivor
• Michael Møller, Danish diplomat and former Director General of the UN at Geneva - "Michael Møller, UN Director General: UN Israeli bias, Security Council and the Media", interview by The Update (2017)
• Michel Bauden, son of René Bauden, a Compagnon de la Libération appointed in 1944
• Michel Tirabosco, Swiss pan flutist
• Michelangelo Pistoletto, Italian painter, action and object artist, art theorist and one of the main representatives of the Italian Arte Povera
• Michèle Lehmann, Founder of Killthesilence.org in support of people suffering from mental illness and any associated stigma and discrimination, and alumna of La Grande Boissière
• Mick Jackson, Entrepreneur, author and founder of the WildHearts Group in support of companies that fight social and economic injustice
• Mikel Urmeneta, Spanish cartoonist and artist
• Miriam Coronel-Ferrer, Filipino peace negotiator - "Miriam Coronel-Ferrer on Religion and the role of Women in Peace", interview by The Update (2017)
• Monica McWilliams, Northern Irish academic, peace activist, human rights defender and former politician
• Mukesh Kapila, Former Under Secretary General of the International Federation of Red Cross and Red Crescent Societies, and former Special Adviser to the UNHCR and the UN Mission in Afghanistan - "Mukesh Kapila on the Darfur Genocide, Donald Trump and ICC bias", interview by The Update (2017)
• Nadine Kessler, Retired German football and UEFA Head of Women's Football -Conference by Nadine Kessler for La Châtaigneraie students in March 2021
• Nagore Iriberri, Spanish research professor at the Department of Foundations of Economic Analysis I, University of the Basque Country
• Nathalie Fletcher, Canadian philosopher
• Nawal al-Maghafi, Yemeni-British journalist and filmmaker
• Naz Shah, British Labour Party politician
• Niall de Búrca, Irish traditional storyteller - Interview by The Update (2018)
• Niall Wass, Partner at international investment firm Atomico and former Executive at Uber
• Nichola McKee, Lyra McKee’s sister, who was a journalist and author, and was murdered in 2019
• Nicholas James, Neuroscientist at the G-Lab Upcourtine of the Center for Neuroprosthetic and Brain Mind Institute of the Life Science School at the Swiss Federal Institute of Technology Lausanne (EPFL) - Conference by Nicholas James for La Grande Boissière students in April 2021
• Nick Cullen, COP Logistics Officer for Stop Climate Chaos Switzerland - Conference by Nick Cullen for La Châtaigneraie students in October 2021
• Nick Robinson, British journalist - "Nick Robinson: Brexit, BBC and Freedom of Speech", interview by The Update (2017)
• Nicola Benyahia, Counsellor and mother of a radicalised youth
• Nicolò Govoni, Italian writer and human rights activist - Conference by Nicolò Govoni for La Grande Boissière students in December 2021
• Nimisha Ladva, Storyteller and writer
• Noëlle Revaz & Michael Stauffer, Swiss authors
• Ola Pikula, councillor for the city of Mariupol, Ukraine and CEO and Founder of Oxford English Centre Ukraine
• Olga Navarro, Project Manager for the Goumbook Initiative and active member of the Drop It campaign against plastic bottles
• Olga Sinclair, Panamanian artist and figurative painter
• Oliver Morgan, Senior Research and Teaching Assistant at the Department of English Language and Literature, University of Geneva
• Ondjaki, Angolan writer
• Orlando Figes, British historian - "Orlando Figes on the Russian revolution, Putin and History", interview by The Update (2017)
• Oscar Brenifier, Philosopher
• Owen Jones, British columnist, author, commentator and political activist - "Owen Jones on the North-South divide and foreign buyer tax housing", "Owen Jones on the challenge Jeremy Corbyn faces", "Owen Jones on ISIS, Nuclear Disarmament and Brexit"
• Paige Harden, American psychologist and behaviour geneticist, Professor of Psychology at the University of Texas at Austin
• Pamela Hamamoto, former U.S. Permanent Representative to the UN in Geneva
• Pamela Ohene-Nyako, doctoral researcher and assistant in the History Department at the University of Geneva
• Paolo Naldini, CEO of Cittadellarte Fondazione Pistoletto
• Pascal Couchepin, Swiss politician and former President of the Swiss Confederation
• Patrick Foster, former professional cricketer
• Patrick Low, Former Chief Economist at the World Trade Organization and Adjunct Professor of International Economics at the Graduate Institute - Conference by Patrick Low for La Châtaigneraie students in January 2021
• Patrick Lunt, entrepreneur and founder of Offgrid Humanitarianism
• Patrick Magee & Jo Berry, Former IRA volunteer known as the "Brighton bomber" and British peace activist and public speaker, the daughter of Anthony Berry, one of the victims of Patrick Magee
• Paul Canoville, English former professional football and first black player to play for Chelsea FC
• Paul Elliott, Former British footballer
• Paul-Olivier Dehaye, Mathematician and founder of PersonalData.IO and Hestia.AI
• Paula Fouce, American filmmaker and author
• Paula Radcliffe, British long-distance runner, three-time winner of the London Marathon and one of the fastest female marathoners of all time
• Pauline Tangiora, Maori leader for peace and justice - "Pauline Tangiora: Maori elder and environmental activist", interview by The Update (2017)
• Pauline Town, award-winning British lawyer, published author, and advocate for racial equality
• Peter Salama, Deputy Director General of Emergency Preparedness and Response at the WHO
• Peter Tatchell, Human rights campaigner, member of the gay rights group OutRage! and director of the Peter Tatchell Foundation - "Peter Tatchell on the Age of Consent and his comment on paedophilia","Peter Tatchell on bombing in Syria, LGBT+ rights & Stop Murder Music", interview by The Update (2015)
• Petra Volpe, Swiss screenwriter and film director, best known for directing The Divine Order - "Petra Volpe on 'The Divine Order', Filmmaking and Feminism", interview by The Update (2018)
• Phil Scraton, criminologist, academic and author, best known for his investigation into the context, circumstances and aftermath of the 1989 Hillsborough disaster - "Phil Scraton on Hillsborough and turning down an OBE", interview by The Update (2017)
• Pierre Hazan, senior advisor with the Centre for Humanitarian Dialogue, one of the main organizations in armed conflict mediation
• Pip Stewart, Adventurer, journalist and presenter
• Plantu, French cartoonist
• Porter Halyburton, Vietnam War veteran
• Pragna Patel, co-founder of Southall Black Sisters (SBS) and Women Against Fundamentalism
• Pritha Mani, Child and adolescent counsellor with extensive experience in mental health
• Proactiva Open Arms
• Rachel Asante-Osuwu, Programme Manager at the Internationa Union for the Conservation of Nature (IUCN)
• Ranya Shamoon Naman, Senior Vice President of the Baby Care Europe Business at Procter & Gamble, and advocate for diversity and inclusion
• Raphael Minder, Swiss journalist
• Ravina Shamdasani, Office of the United Nations High Commissioner for Human Rights (OHCHR) spokesperson
• Rhonda Ross, American singer and former actress
• Richard Ladkani, Documentary film director best known for The Ivory Game (2016) - Conference by Richard Ladkani for La Grande Boissière students in January 2021
• Richard Longden, Group Communications Manager at INEOS - Conference by Richard Longden for La Châtaigneraie students in April 2021
• Richard Moore, Founder of Children in Crossfire
• Rita French, UK Ambassador for Human Rights and Deputy Permanent Representative to the UN in Geneva - Conference by Rita French for La Châtaigneraie students in December 2020
• Rob Greenfield, American adventurer and environmental activist - Interview by The Update (2018)
• Robert Dann, Chief of Political Affairs in the Office of the Special Envoy for Syria
• Robert Eggington, Aboriginal spokesperson and executive officer of the Dumbartung Aboriginal Corporation
• Robert Winston, British professor, doctor, scientist and television presenter
• Rodolphe Villevieille, professional videographer, cinematographer, remote drone pilot, editor and activist
• Roland Chauville, Partnerships Lead for Switzerland at Oxfam - Interview by The Update (2021)
• Rosie Garthwaite, British war journalist
• Ruth Ibegbuna, Founder and former CEO of RECLAIM in support of working class young people - "Ruth Ibegbuna on Social Inequality and Young Peoples' Voices", interview by The Update (2018)
• Safe Ground, British association supporting the reintegration of prisoners into society
• Sammy Woodhouse, English activist against child sexual abuse
• Sarah Höfflin, Swiss freestyle skier and Olympics gold medallist
• Sarah Urquhart, Forest Green Rovers Football Club Community member - Conference by Sarah Urquhart for La Châtaigneraie students in April 2021
• Sarah Woolley, first female leader of the Bakers, Food and Allied Workers’ Union (BFAWU) in the UK
• Saskia Keeley, Swiss photographer
• Satish Kumar, Indian British nuclear disarmament and peace activist and editor
• Scott M. Weber, French-American peacebuilding and conflict prevention specialist, and President of Interpeace
• Scott Poynton, Entrepreneur supporting companies adopt a values-based approach - Interview by The Update (2021)
• Sergio Ramírez, Nicaraguan writer, intellectual and former Vice President of Nicaragua
• Seth Berkley, American medical epidemiologist and CEO of the GAVI Alliance - Conference by Seth Berkley for La Châtaigneraie students in November 2020
• Shafiur Rahman, Documentary filmmaker - "Shafiur Rahman: 'Apartheid is operating there'", interview by The Update (2018)
• Shareefa & Paul, Survivors of the Grenfell Tower Fire - "Grenfell Fire survivor: People were screaming 'Don't jump, stay in your flats'", interview by The Update (2018)
• Dr Shola Mos-Shogbamimu, British born and Nigerian political & women’s rights activist
• Siobhan Darrow, Former CNN reporter, Integrative Body Psychotherapist and Life Coach
• Sławomir Grünberg, Polish-born American documentary producer, director and camerman
• SOS Méditerranée, European maritime-humanitarian organisation for the rescue of life at sea
• Spring Gombe-Götz, Policy Advocacy Manager at the Drugs for Neglected Diseases Initiative (DNDi)
• Stephen Doughty, Welsh Labour and Co-operative Party politician
• Stephen Reicher, Professor of Social Psychology at the University of St Andrews - Conference by Stephen Reicher for La Châtaigneraie students in January 2021
• Steve Cram, CBE, British retired track and field athlete and one of the world's dominant middle distance runners in the 1980s
• Steve Thompson, former Rugby Union player and 2003 Rugby World Cup winner
• Stewart Maginnis, Global Director of the Nature-based Solution Group and Director of the Global Forest and Climate Change Programme at the International Union for the Conservation of Nature (IUCN) - Conference by Stewart Maginnis for La Châtaigneraie students in April 2021
• Swati Thiyagarajan, Indian conservationist, documentary filmmaker and environmental journalist
• Tamara Minick-Scokalo, Board member of the non-profit OHorizons.org
• Tariq Ali, British political activist, writer, journalist, historian and filmmaker
• Tech2Peace uses conflict dialogue and team-building activities to create a safe space for young people of all backgrounds and beliefs
• Teresa Perales Fernández, Spanish Paralympic swimmer, politician and motivational speaker, and the most decorated Spanish Paralympian in history
• Theodore Dalrymple, British writer, retired prison doctor and psychiatrist
• The Techtonics, a capella group from Imperial College London
• Thibault Trancart, Swiss Paralympic skier
• Thomas Sparrow, journalist at Deutsche Welt (DW)
• Tim Flannery, Australian mammalogist, palaeontologist, environmentalist, conservationist, explorer and author
• Tim Jarvis, environmental scientist, adventurer and author, best known for his record-breaking Antarctic expedition of 1999 - "Tim Jarvis: 25zero, Shackleton and climate change sceptics", interview by The Update (2016)
• Tony Hale, Emmy-winning film director
• Torie Bosch, author and editor working at the intersection of technology, culture and critique
• Umar Turaki, Nigerian writer and filmmaker - Conference by Umar Turaki for La Châtaigneraie students in June 2021
• Ute Eilenberger, German veterinarian specialised in wild gorillas
• Valentine Cuny-Le Callet, author and illustrator
• Valerie Connaughton, Scientist in the Astrophysics Division at NASA
• Vince Cable, British politician "Vince Cable on Brexit, Tim Farron and Tuition Fees", interview by The Update (2017)
• WAVE Trauma Centre, organisation that empowers women whose husbands or partners were murdered
• Winnie Byanyima, Ugandan global women's rights leader and human rights defender. "Winnie Byanyima: Executive Director of Oxfam International", interview by The Update (2017)
• Yael Deckelbaum & Miriam Toukan, singers, songwriters and peace activists
• Yetnebersh Nigussie, Ethiopian lawyer and disability rights activist
• Yoani Sánchez Cordero, Cuban blogger
• Yossi Ghinsberg, Israeli adventurer, author, entrepreneur, humanitarian and motivational speaker
• Zarghuna Kargar, BBC World News journalist and author of Dear Zari, The Secret Lives of Women in Afghanistan
• Zeid bin Ra'ad al-Hussein, Former United Nations High Commissioner for Human Rights
• Zep, Swiss author of comics, best known for his album Titeuf