Tony Horton

Fitness Expert & Founder of Fitness Program P90X

Crush It!: The Revolutionary Fitness Plan for All Levels That Burns Fat, Builds Muscle,...

Martina Navratilova

Retired World #1 Tennis Player, International Tennis Hall of Famer, Gay Rights Activist & Author

Dan Marino

Pro Football Hall of Famer, Business Owner & Founder of the Dan Marino Foundation for Improving The Lives of Those on the Autism Spectrum

Lou Ferrigno

Actor Best Known For His Role as The Hulk; Fitness Trainer/Consultant and Retired Professional Bodybuilder

Troy Aikman

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

Kathy Kaehler

Celebrity Trainer & Lifestyle Expert

Deion Sanders

Head Football Coach at the University of Colorado Boulder; NFL Hall of Famer, Two-Time Super Bowl Champion, and Broadcast Analyst

Elevate and Dominate: 21 Ways to Win On and Off the Field

Jim Craig

Gold Medal Olympian, Inspiration for Disney Film "Miracle," Entrepreneur, Sales & Marketing Executive

Christine Dumas

Consumer Health & Lifestyle Reporter; Strategic Healthcare Policy Advisor; Author

Ellen Goodman

Pulitzer Prize-Winning Columnist, Author, Speaker & Commentator

Mia Hamm

Retired Professional Soccer Forward; Two-Time Olympic Gold Medalist; Founding Member of the Women's United Soccer Association

Allyson Felix

Track & Field Athlete, Olympic Champion & 12-Time Gold Medalist at the World Championships; Co-Founder of Saysh

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

Linda Evans

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

Jane Powell

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

Melody Barnes

Executive Director Karsh Institute of Democracy at UVA, Professor at the Miller Center & Former Director of the White House Domestic Policy Council

Abby Wambach

6-Time U.S. Soccer Athlete of the Year; Two-Time Olympic Gold Medalist & FIFA Women's World Cup Champion; Pay Equity & LGBTQ Rights Activist

Gail Harris

Highest Ranking African American Woman in the US Navy

Brandi Chastain

Defender on the U.S. Women's 1999 World Cup Champion Soccer Team