Dr. Jennifer Ashton

Board-Certified Ob-Gyn, Author & TV Medical Correspondent

Akbar Gbajabiamila

Inspirational Former NFL Player & Broadcaster; Host of American Ninja Warrior & Co-Host of The Talk

Cassey Ho

Creator of Blogilates, Fitness & Nutrition Personality

Sam Kass

Former White House Chef & Senior Policy Advisor for Nutrition; Founder of TROVE

Alisha Marie

YouTube Fashion & Beauty Guru

Summer Sanders

Former Olympic Gold Medalist Swimmer; Sports Commentator

Sydney Leroux

Professional Soccer Player & Olympic Gold Medalist

Denise Lee Yohn

Brand Leadership Expert & Author of "What Great Brands Do"

How Can Sales Contribute to CX Excellence

Gabby Reece

Beach Volleyball Champion, First Female Spokeswoman for Nike, Creator of HIGHX, New York Times Best Selling Author, Model and Actress.

Hank Baskett

Former NFL Wide Receiver

Steve Weatherford

Former NFL Punter; President & CEO of Weatherford FIT

Kim Lyons

Fitness Expert, Former Trainer on "The Biggest Loser"

Elizabeth Cutler

Co-Founder at SoulCycle

Michael Samuelson

US Health Policy Advisor

Nate Appleman

Nate Appleman was named as 2009's 'Rising Star Chef' at the James Beard Foundation Awards,

Maya Adam, MD

Director of Health Media Innovation & Clinical Assistant Professor in the Department of Pediatrics at Stanford School of Medicine

Bob Dotson

Author and Correspondent, NBC News

Gina Homolka

Author, Photographer & Creator of Award-Winning Blog Skinnytaste.com

Dr. Holly Phillips

CBS Health Contributor

Furious Pete

Overcame Anorexia to Become a Professional Competitive Eater & Fitness Guru