J.K. Rowling

Author of the "Harry Potter" Series

Ruby Wax

Comedian & Mental Health Activist

Benedict Cumberbatch

English Actor Best Known for "Sherlock;" Ambassador for the Motor Neurone Disease Association

Ben Goldacre

Physician; Best-Selling Academic & Science Writer

Tal Golesworthy

Tal Golesworthy is an engineer and entrepreneur, working in research and development of combustion and air pollution control -- until he decided to innovate in his own health.

Elizabeth Murchison

Elizabeth Murchison studies a mysterious (and contagious) cancer that threatens to wipe out Tasmanian devils.

Richard Wilkinson

Studied the Social Effects of Income Inequality and How Social Forces Affect Health

Lee Cronin

With his research group, Lee Cronin is investigating the emergence of complex self-organising chemical systems -- call it inorganic biology.

Malcolm Gallagher

International motivational speaker on Leadership and achieving sales potential

Jeremy Irons

Award-Winning Actor, Known for "Lolita" & "The Lion King"

Geoff Nicholson

Stress & Self Empowerment Expert, Therapist, Trainer, Coach

Louise Gray

Freelance Environmentalist Journalist

James Golding

Two-Time Cancer Survivor; Fundraising Cyclist

Siddharthan Chandran

Regenerative Neurologist; Director, Centre for Clinical Brain Sciences; Director, Anne Rowling Regenerative Neurology Clinic

Cherylee Houston

British Actress; Best Known for "Coronation Street" and "Tinsel Girl"; Ehlers-Danlos Syndrome (EDS) Awareness Advocate

Patricia Walsh

World Champion Athlete, Award-Winning Engineer & Author of "Blind Ambition"

Ringo Starr

English Musician, Singer and Actor Who Gained Worldwide Fame as the Drummer for the "Beatles"

Lindsey Fitzharris

Medical Historian & Author

The Butchering Art: Joseph Lister's Quest to Transform the Grisly World of Victorian Me...

Francisca Mutapi

Global Health Specialist; 2021 TED Fellow; Artist & Educator

Rohan Gunatillake

Head of Product at National Health Service