Erin Andrews

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

Tim Tebow

ESPN College Football Analyst; Heisman Trophy Winner; Former Quarterback for NFL's Denver Broncos & Baseball Outfielder for the New York Mets

Alfre Woodard

Emmy Award-Winning Actress; Human Rights Activist

Gayle King

Co-Host of "CBS This Morning" & Editor-At-Large of O, The Oprah Magazine

Bill Clinton

42nd President of the United States; Founder of the William J. Clinton Foundation

John P. Kotter

Leadership & Change Management Guru

Ted Turner

Media Mogul & Philanthropist

Troy Aikman

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

Serena Williams

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

Michael Dell

Founder, Chairman & CEO of Dell

Mark Wahlberg

Actor, Producer & Philanthropist

Kurt Warner

Super Bowl Champion Quarterback and Two-Time NFL MVP; Adoption Advocate

Robin Sharma

Founder of Sharma Leadership International Inc & Author of "The Leader Who Had No Title"

The Wealth Money Can't Buy: The 8 Hidden Habits to Live Your Richest Life

Chris Pratt

Actor Known for "Parks & Recreation" & "Guardians of the Galaxy"

Michael Phelps

Retired Professional Swimmer; Most Decorated Olympic Athlete in History

Lindsey Vonn

Retired Olympic Skier; Founder of the Lindsey Vonn Foundation

Lindsey Vonn - More Adventures After a Thrilling Career on the Slopes

Lisa Kudrow

Actres Best Known for Her Role as Phoebe Buffay in the sitcom, "Friends"

Tom Brady

Former Quarterback for the New England Patriots & Tampa Bay Buccaneers; Seven Time Super Bowl Winner

Ed Sheeran

English Singer-Songwriter Known for "Thinking Out Loud" & "Shape of You"

Sigourney Weaver

Golden Globe-Winning Actress & Environmentalist