David Zinczenko

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

Deborah MacDonald

Health and Wellness Consultant and Trainer

Chris Powell

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

Linda Evans

Golden Globe and Emmy Award Winning Actress, Known for her role as "Krystle Carrington" from Dynasty

Gabby Reece

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

Loretta LaRoche

Author, Humorist, Stress Expert & TV Personality

Soleil Moon Frye

Social Media Expert, Entrepreneur & Eco-Leader; Author of "Happy Chaos"; Alzheimer's Awareness Advocate

Jenny Evans

Stress Resiliency Expert, Speaker & Author

Dr. Jill Bolte Taylor

Scientist, Author & CEO of My Stroke of Insight, Inc.

Tamilee Webb

Fitness Expert & Instructor, Star of "BUNS OF STEEL"

Richard Simmons

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

Marci Shimoff

Co-Author of "Chicken Soup for the Woman's Soul"; Expert on Happiness, Success & Unconditional Love

Cheryl Richardson

Personal Transformation Expert & Bestselling Author of "Life Makeovers"

Rachael Ray

Chef, Cookbook Author & Television Host Known for the "Rachael Ray Show"

Jane Powell

Actress, Entertainer, Arthritis Prevention, "Living It & Loving It," "Fight Back with Fitness"

Harley Pasternak

Diet & Fitness Expert; Best-Selling Author

Diana Nyad

World Champion Swimmer, Storyteller, Sports Journalist & Broadcaster

Diana Nyad | The High-Performance Teamwork That Helped Her Make History

Dean Karnazes

The “Ultramarathon Man”, Ran 3,000 Miles Across the Country with Live! with Regis and Kelly’s “Run Across America” in 2011

Kathy Kaehler

Celebrity Trainer & Lifestyle Expert

Shawn Johnson East

Olympic Gold Medalist in Gymnastics, "Dancing with the Stars" Winner & Best-Selling Author

Derek Hough

Dancer, NYT Bestselling Author, Emmy Award Winner for Outstanding Choreography & Six-Time Champion of ABC's "Dancing with the Stars"

Amanda Gore

CEO of The Joy Project; Author & Psychologist; Emotional Intelligence and Performance Expert

Jane Brody

Health Expert and Columnist

Joy Behar

Comedian, Actress & Former Co-Host of "The View"

Linda Armstrong Kelly

Single Mother of Lance Armstrong; Philanthropist & Advocate for Children

Mark & Michele Sherwood

Co-Authors of "Fork Your Diet," Wellness-Based Medical Practitioners & Hosts of "FurtherMore" Podcast

Donna Richardson Joyner

Best-Selling Author, Renowned Wellness Expert & TV Contributer

Megan Roup

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

Tunde Oyeneyin

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

Stephanie Mansour

Nationally Recognized Health & Fitness Expert; Host of “Step It Up with Steph”