Erin Andrews

Fox Sports Correspondent & Former Co-Host of "Dancing with the Stars"

Denise Austin

Fitness Expert, Author & Video Hall of Famer

Carnie Wilson

Singer & Actress, Founding Member of "Wilson Phillips"

Ethan Zohn

Winner of "Survivor" Africa, 2x Cancer Survivor, Stem Cell Transplant Recipient, Social Entrepreneur, Philanthropist, Cancer Research Advocate, Former Pro Soccer Player, Sports Broadcaster & TV Personality

Dean Karnazes

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

Raj Patel

Award-Winning Writer, Food Politics Activist, Filmmaker & Academic

Troy Aikman

Three-Time NFL Super Bowl Champion Quarterback, Dallas Cowboys; ESPN Monday Night Football NFL Game Analyst

Paula Zahn

Distinguished News Anchor & Nine-Time Emmy Award Winner

Kathy Kaehler

Celebrity Trainer & Lifestyle Expert

Serena Williams

Iconic Professional Tennis Player & Olympic Gold Medalist; Activist, Philanthropist & Entrepreneur

Andy Roddick

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

Dr. Dean Ornish

Physician, Leading Researcher in Healthcare, Founder of the Preventive Medicine Research Institute & Bestselling Author

Tamilee Webb

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

Sherri Shepherd

Actress, Comedian, Former Co-host of "The View" & Host of the "Two Funny Mamas" Podcast

Stuart Altman

Economist and Health Policy Expert

John Nance

New York Times Best-Selling Author

Tracy Anderson

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

Tracy Anderson shares moves to work your whole body

Michael Phelps

Retired Professional Swimmer; Most Decorated Olympic Athlete in History

Robin Miller

Host of "Quick Fix Meals with Robin Miller" on Food Network, Nutritionist

Dominique Wilkins

Former Professional Basketball Player, Vice President of the Atlanta Hawks, Board Chairman of KultureCity & Disability Advocate