Dr. Holly G. Atkinson

Award-Winning Medical Journalist

Holly Atkinson, MD

Harry Belafonte

Emmy Award-Winning Artist & Civil Rights Activist

Harry Belafonte at SCLF on HIV AIDS

Blythe Danner

Emmy Award-Winning Actress & Activist

Camryn Manheim

Actress; Human Rights Activist; Writer & Producer

Dr. Carl Hart

Professor of Psychology & Chair of Department of Psychology at Columbia University

"Methamphetamine Fact VS Fiction and Lessons from the Crack ...

Claire Robinson

Known for "5 Ingredient Fix" on Food Network

Daphne Oz

Nutrition Author, Former Co-Host, The Chew

David Zinczenko

Former Vice President of Men's Health, Women's Health & Prevention; Retired Nutrition & Wellness Editor at ABC News

Bethenny and David Zinczenko: Is Fasting a Good Idea?

Deborah Roberts

Correspondent for ABC News' 20/20

The Three Doctors

Role Models; Authors; Civic Leaders

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Stuart Firestein

Scientist; Advocate for the Public Understanding of Science

Gail Wilensky

Healthcare Policy Reform Expert

Geralyn Lucas

Author of "Why I Wore Lipstick: To My Mastectomy" & Breast Cancer Survivor

Jeff Jarvis

Journalist & Media Expert; Founder of BuzzMachine.com

Jeff Jarvis, City University of New York

Joan Lunden

Award-Winning Journalist, Best-Selling Author & Health and Wellness Advocate

Joe Pantoliano

Emmy Award-Winning Actor & Film Producer

Patrick Kennedy

Former U.S. Congressman, Co-Founder of One Mind for Research, Founder of The Kennedy Forum on Community Mental Health & Mental Health Activist

Nancy Snyderman, MD

Former Chief Medical Editor of NBC News

Michael Strahan

Co-Host of 'Good Morning America,' Fox NFL Sunday Analyst, NFL Hall of Famer and Super Bowl Champion