Dan Abrams

Chief Legal Affairs Anchor at ABC News & Founder of Abrams Media

Chris Powell

Trainer and Transformation Specialist on ABC's "Extreme Makeover: Weight Loss Edition"

Dr. Ian Smith

Doctor, New York Times Bestselling Author, Medical Contributor & Host of "The Doctors"

Dr. Ian Smith returns to reformatted ‘The Doctors’ as new host

Jillian Michaels

Leading Fitness Expert, Certified Nutritionist, Renowned Life Coach & Powerful Entrepreneur

Mindy Grossman

President & CEO of WW International

Peter Salgo

Healthcare Futurist, Emmy Award-Winning Health & Science Correspondent, Author of "The Heart of the Matter"

David Satcher, M.D., Ph.D.

16th US Surgeon General

Landon Lecture | Dr. David Satcher - YouTube

Jen Selter

Fitness Personality & Instagram Celebrity

Dr. Francis Collins

Director of the National Institutes of Health (NIH)

Dr. Francis Collins | TIME100 Talks

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Alice Waters Talks Chez Panisse, Starting a Victory Garden, and ...

Devin Alexander

New York Times Bestselling Author, Celebrity Chef Known For "Biggest Loser"

Ellie Krieger

Chef, Nutritionist, Best-Selling Author & Television Host

Nastia Liukin

Olympic Gold Medal Gymnast

Diana Nyad

First Person to Successfully Swim from Cuba to Florida Without the Protection of a Shark Cage; Sports Journalist & Broadcaster

Annette Bening To Star In Swimmer Biopic ‘Nyad’

Mayim Bialik

Neuroscientist & Actress, Known For "The Big Bang Theory"

Rosie Perez

Actress, Choreographer, Activist & Former Co-Host of "The View"

Malaak Compton

Activist & Philanthropist

Small Acts of Service - Malaak Compton

Janine Turner

Actress, Author & Radio Host; Columnist for the Washington Times

Marlo Thomas

Emmy Award-Winning Actress, Social Activist & Presidential Medal of Freedom Recipient

Brooke Shields

Actress & Mental Health Advocate

How Brooke Shields Found Body (and Bikini) Confidence at 55: 'Women Over 50 Are Not Done'