Co-Founder Proximie, NHS Clinical Entrepreneur Fellow, Plastic Surgery Registrar at NHS, UCL Honorary Clinical Lecturer, Exponential Medicine Faculty and TED Speaker NHS

Nutrition Author, Former Co-Host of "The Chew"

Emmy Award-Winning Actor & Film Producer

Parenting & Bullying Expert; Author of "Queen Bees and Wannabes" (Basis for "Mean Girls"); Founder of Cultures of Dignity

Psychiatrist and Director of the African Mental Health Initiative

17th Surgeon General of the United States; Chief of Health Innovations at Canyon Ranch

Gold Medal-Winning Olympic Figure Skater & Founder of I-Skate

Professor of Psychology & Psychiatry at the University of Wisconsin-Madison

Doctor, New York Times Bestselling Author, Medical Contributor & Co-Host of "The Rachael Ray Show"

16th US Surgeon General

AIDS Activist & Advocate

Author of Beautiful Boy

Actress & Singer

President, American Public Health Association (APHA); Director, Public Health Leadership & Practice at University of South Florida

Mental Health Advocate, Olympic Gold Medalist & Former WNBA Player

President & CEO of the Global Fund for Women

Reality TV Personality, Author & Actor, Known for "Jersey Shore"

Actress, Singer & Producer

Actress, Known for "13 Reasons Why"