Sydney Leroux

Professional Soccer Player & Olympic Gold Medalist

Pau Gasol

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

Dr. William Li

Physician, Scientist & Bestselling Author of “Eat to Beat Disease: The New Science of How Your Body Can Heal Itself” and “Eat to Beat Your Diet: Burn Fat, Heal Your Metabolism, and Live Longer”

Denise Austin

Fitness Expert, Author & Video Hall of Famer

Harley Pasternak

Diet & Fitness Expert; Best-Selling Author

Kendall Toole

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

Dr. Josh Axe

Wellness Physician, Radio Show Host, Physician for Olympic Athletes, Nutrition and Fitness Coach

Gabby Reece

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

Ozzie Smith

15-Time MLB All-Star & National Baseball Hall of Fame Inductee; Former Shortstop for the San Diego Padres & St. Louis Cardinals

Donald Driver

NFL Super Bowl Champion, Children's Author, "Dancing With the Stars" Winner & Family Man

Matt Leinart

FOX Sports 1 College Football Analyst; Former American Football Quarterback

Eduardo Garcia

Chef, Outdoorsman & Motivational Expert

Dolvett Quince

Fitness Guru & Trainer from "The Biggest Loser"

Joe Manganiello

Actor & Filmmaker; Known for his Roles in "True Blood" and "Magic Mike"

Tracy Anderson

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

Tracy Anderson shares moves to work your whole body

Ruben Studdard

American Idol Winner; The Biggest Loser Contestant; Dubbed the "Velvet Teddy Bear"

Eddie George

NFL Legend & 1995 Heisman Trophy Winner; Actor; Entrepreneur

Karena Dawn

Co-Founder of Tone It Up & Personal Trainer

Alison Sweeney

Actress & TV Personality Known for "Days of Our Lives" & "The Biggest Loser"

Andy Roddick

Tennis Commentator & Former Co-Host of Fox Sports Live; Retired World No. 1 Tennis Player & International Tennis Hall of Famer