Alison Sweeney

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

Andy Roddick

Tennis Channel Commentator; Retired World No. 1 Tennis Player & International Tennis Hall of Famer

Camila Alves

Model, Designer & Entrepreneur

Carli Lloyd

Former U.S. Women's Soccer Team Midfielder, Two-time Olympic Gold Medalist, Two-time FIFA Player of the Year & World Cup Champion

Carnie Wilson

Singer & Actress, Founding Member of "Wilson Phillips"

Chrissy Teigen

Model, Television Personality, Entrepreneur & Cookbook Author Known for "Cravings" Series; Women's Rights Advocate

Danica Patrick

Former Racecar Driver, Broadcaster & Entrepreneur, Somnium; Author & Podcast Host, "Pretty Intense"

Dave deBronkart

Patient Engagement Advocate, Author, Survived Stage IV Kidney Cancer

Dean Karnazes

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

Denise Austin

Fitness Expert, Video Hall of Fame Inductee, Author

Dominique Wilkins

NBA Hall of Famer, Businessman, Philanthropist

Dr. Dean Ornish

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

Elizabeth Cohen

Senior Correspondent for the CNN Health, Medical, & Wellness Unit

Erin Andrews

Fox Sports Correspondent; Former Co-Host of "Dancing with the Stars" & Cervical Cancer Survivor

Ethan Zohn

Winner of "Survivor: Africa"; Cancer Research Advocate; Former Pro Soccer Player; 2X Cancer Survivor & Stem Cell Recipient

J.D. Kleinke

Medical Economist, Former Healthcare Executive & Author; Thought Leader and Pioneer in Healthcare Informatics

Jenny Evans

Stress Resiliency Expert, Speaker; Author & Enterprising Women of the Year Award Winner

From A Lost Elephant to A Lost Soul: The Gritty Journey of Self-Discovery

Jessie Pavelka

Fitness Expert; Former Television Host on NBC’s "The Biggest Loser"

John La Puma

Leading Physician Voice for Culinary Medicine; New York Times Bestselling Author; Board-Certified Internist; Professionally Trained Chef

John Nance

Air Safety Analyst, Veteran Air Force Pilot, Healthcare Safety Advocate