Olivia Ward

Winner of "Biggest Loser" Season 11

Kambri Crews

Storyteller, Producer & Celebrated Author of "Burn Down the Ground"

Cathy Areu

Founder of Catalina Magazine & Fox News Correspondent “Liberal Sherpa”

Stuart Firestein

Scientist; Advocate for the Public Understanding of Science

Kat Carney

Former Health News Anchor, CNN Headline News

Christina Pirello

Emmy Award-Winning Host of "Christina Cooks!", Cancer Survivor, & Nutritionist

Mary Nolan

Executive Chef at Bon Appetit Magazine & Former Food Network Personality

Jane Brody

Health Expert and Columnist

Gary Langer

Former Director of Polling, ABC News

Sara Horowitz

Founder & Executive Director of Freelancers Union

Libby Pataki

Former First Lady of New York; Advocate of Women's and Children's Health Issues

Dr. Donnica Moore

Nationally Recognized Physician Educator, Patient Advocate & Host of "In the Ladies' Room" Podcast

Gary Valentine

Gary Valentine is a stand up comedian and actor known for his roles on "The King of Queens" and "I Now Pronounce You Chuck and Larry," among others.

Missy Chase Lapine

NYT Bestselling Author & Integrative Wellness Coach

Michael Perelman

Sex Therapist

Chris Lemmon

Actor, Producer and Author

Dwight Gooden

Retired Baseball Pitcher

Dr. Deborah Serani

Psychologist, Author, Media Expert

Randye G. Kaye

Author of "Happier Made Simple™" & "Ben Behind His Voices"

Randye Kaye Mental Health Speaker

Deborah Estrin

Professor, Computer Science, Cornell Tech, NYC Professor, Public Health, Weill Cornell Medical College Co-founder, Open mHealth.