Rich Froning

CrossFit Athlete, Coach & Christian Speaker

Lamman Rucker

Actor, Education Activist, Green Living Advocate & Entrepreneur

Phaedra Parks

Producer, Entertainment Attorney & Cast Member of Bravo's "The Real Housewives of Atlanta"

Adam Garone

Former CEO of the Movember Foundation

Dr. Max Rogers

Former Fighter Pilot, Healthcare Consultant

David Williams

Professor of Public Health at Harvard University

Dr. Paula Johnson

President of Wellesley College; Innovator Known for Advancing the Education, Health & Well-Being of Women

Yael Cohen Braun

Co-Founder & Board Chair of F*ck Cancer; Founder of Motherlucker, An Uncensored Parenting Community

Sandra Fluke

Lawyer, Social Justice Advocate, Women's Health Expert

Stuart Firestein

Scientist; Advocate for the Public Understanding of Science

Richard Resnick

CEO of Cureatr

Olivia Ward

Winner of "Biggest Loser" Season 11

Dr. Paul Wolpe

Director of the Emory Center for Ethics

Charlene Strong

Gay Rights Activist

Charles Limb

Associate Professor of Otolaryngology-Head and Neck Surgery

Allison Massari

Executive Coach, Entrepreneur, Visual Artist & Burn Survivor; Top Speaker on Resilience, Change & Overcoming Adversity

J.R. Martinez

Actor, Best-Selling Author, Motivational Speaker, Advocate & Wounded U.S. Army Veteran

Illuminating the journey from trauma to hope with JR Martinez

Dr. Holly G. Atkinson

Award-Winning Medical Journalist

Philip Zimbardo

Psychologist Known for the Notorious '1971 Stanford Prison Experiment;' Researcher of the Psychology of Heroism, Evilness and Time

Michelle Aguilar

Winner of NBC's "The Biggest Loser" Season 6, Author, Motivational Speaker