Tara Stiles

Founder of Strala Yoga, Author

Jillian Michaels

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

Kendall Toole

Peloton Instructor & Fitness Influencer; Content Expert; Mental Health Advocate

Jessica Ennis-Hill

British Retired Track and Field Athlete

Tunde Oyeneyin

Peloton Instructor & Makeup Artist; Founder of SPEAK Instagram Live Series

Juli Bauer

Blogger And Author on Healthy Lifestyle and Paleo Eating

Kim Lyons

Fitness Expert, Former Trainer on "The Biggest Loser"

Richard Simmons

Fitness Instructor, Actor, Video Producer Known for "Sweatin' to the Oldies" Aerobics Videos

Donna Richardson Joyner

Best-Selling Author, Renowned Wellness Expert & TV Contributer

Megan Roup

Fitness Instructor, Dancer and Founder & CEO of The Sculpt Society

Phoenix Carnevale

Fitness Media Expert, Broadcaster, Martial Artist & Actress

Dr. Carol Addy

Endocrinologist, Expert on Diabetes and Obesity & Chief Medical Officer of GENFIT

Barbara E. Corkey, PhD

Leading Expert in Diabetes and Obesity Research; Professor Emeritus of Medicine, Boston University School of Medicine

Shannon Decker

Inspiration Personal Trainer & Fitness Model

Sarah Hartwick

Founder and Marketing Director of SURFSET Fitness

Julie Rice

Founder of LifeShop & Co-Founder of SoulCycle

Elizabeth Cutler

Co-Founder at SoulCycle

Cynthia Sass

Nutritionist, Personal Trainer and Health Educator

David Zinczenko

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

Chrissy Teigen

Model, Author & Television Personality

Robert H. Lustig

Endocrinologist, Professor of Pediatric Endocrinology, New York Times Bestselling Author

Pau Gasol

NBA Power Forward, Two-Time NBA Championship Winner, UNICEF Ambassador

Dr. Jennifer Ashton

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

Larysa Didio

Celebrity consultant in nutrition and healthful living.

Michelle Obama

Former First Lady of the United States & Bestselling Author

Tracy Anderson

Fitness Pioneer, Entrepreneur & Author, Founder of The Tracy Anderson Method

Tracy Anderson shares moves to work your whole body

Colin Kaepernick

NFL Quarterback & Activist; Member of Board of Directors, Medium

Daphne Oz

Emmy Award-winning Television Host, New York Times Bestselling Author, Chef & Entrepreneur

Jessica Seinfeld

Founder & President of GOOD+ Foundation; Author of Three New York Times Bestselling Cookbooks

Keri Glassman

Nutritionist, Author, Founder and CEO of Nutritious Life