Andre Agassi

Retired World No. 1 Tennis Player & International Tennis Hall of Famer; Olympic Gold Medalist, Entrepreneur & Philanthropist

Laila Ali

Undefeated Four-Time World Champion Boxer & Lifestyle Expert; Heart Disease Awareness Advocate

Jeremy Lin

Professional Basketball Player for Beijing Ducks of the Chinese Basketball Association

John Cena

WWE Professional Wrestler, Bodybuilder, and Actor Known for "Trainwreck"

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

Mark Messier

Former Professional Ice Hockey Player & Six-Time Stanley Cup Winner

Martina Navratilova

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

In Depth: Celebrating Diversity, Empowering Women with Martina Navratilova

Mark Cuban

Serial Entrepreneur, Investor & Owner of the Dallas Mavericks

Billie Jean King

Former World #1 Professional Tennis Player & Sports Icon; Advocate for Women's Equality

Natalie Portman

Award-Winning Actress Known for "Black Swan," "V for Vendetta" & Playing Padmé Amidala in the Star Wars Prequel Trilogy