
Dr Xand van Tulleken is a leading voice in public health and medicine, known for combining deep clinical expertise with an engaging style that resonates with audiences of all ages. An Honorary Associate Professor of Infection and Population Health at University College London, he has built a career dedicated to making complex medical topics accessible and relevant. His background is impressive: he studied medicine at Somerville College, University of Oxford, with a special focus on tropical medicine, and has worked extensively in humanitarian aid and global health.
Xand’s career as a broadcaster has made him a familiar face to millions. He co-presented CBBC’s Operation Ouch!, a double BAFTA-winning show that introduces children to medicine in a way that is fun, educational, and inspiring. He is also a key presenter on BBC Two’s Trust Me, I’m a Doctor alongside Michael Mosley, where he investigates health claims and shares practical, evidence-based advice with the public. His work on programmes such as The Twinstitute, What’s the Right Diet for You?, and Horizon specials on binge drinking and nutrition has positioned him as a trusted authority on how lifestyle choices impact health.
In 2020, Xand contracted COVID-19 and was left with an irregular heartbeat, an experience he shared in the moving documentary Surviving the Virus: My Brother & Me. His personal insight into illness and recovery gives his talks added depth and authenticity. In 2024, he joined his twin brother, Dr Chris van Tulleken, to assist with the Royal Institution Christmas Lectures, continuing his mission to educate and inspire audiences about health and science.
Xand is also the host of BBC Radio 4’s A Thorough Examination with Dr Chris and Xand, where he explores health topics with nuance and curiosity. His ability to blend scientific expertise, lived experience, and engaging storytelling makes him a sought-after keynote speaker. Whether addressing public health, behaviour change, or resilience in the face of illness, Dr Xand van Tulleken brings clarity, humour, and insight that leave audiences better informed and motivated to take action.
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How to Lose Weight Well: Keep Weight Off Forever, the Healthy, Simple Way

How to Lose Weight Well: Keep Weight Off Forever, the Healthy, Simple Way Updated Edition
- 2024 - Assisted Dr Chris Tulleken in the Royal Institution Christmas Lectures
- 2023 - Regular appearances on "Morning Live" providing medical advice
- 2020 - Presenter of "Surviving the Virus: My Brother & Me"
- 2015 - Presenter of "What's the Right Diet for You?" & "Is Binge Drinking Really That Bad?" Horizon Specials
- 2013 - Presenter of "Trust Me, I'm a Doctor" with Michael Moseley
- 2012 - Presenter of "Operation Ouch!"
- 2008 - Presenter of "Medicine Men Go Wild"
How to hire Xand van Tulleken
Contact the Champions Speakers Agency to provisionally enquire about hiring Xand van Tulleken for your next event, today. To get in touch, simply call an official booking agent on 0207 1010 553 or email us at [email protected] for more information.
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