Akbar Gbajabiamila

Inspirational Former NFL Player & Broadcaster; Host of American Ninja Warrior & Co-Host of The Talk

Greg Olsen

Former NFL Tight End, Football Sportscaster & Founder of Receptions for Research: The Greg Olsen Foundation

April Ross

Pro Beach Volleyball Player & Three-Time Olympic Medalist

Heath Calhoun

Alpine Skier & Veteran of the United States Army

Simone Biles

Most Decorated Gymnast Ever & Record Holder for Most Gold Medals at a Single Olympic Games

Dick Beardsley

Motivational Speaker, Suicide Survivor of Loss, Farm Accident Survivor, Prescription Drug Addiction Survivor, Famous 1982 Boston Marathon Runner, Author, Fishing Guide & Innkeeper

Rhonda Kallman

Beer Entrepreneur & Co-Founder of The Boston Beer Co.

Dr. Kimberley Amirault

Lead of Sport Psychology for the Canadian Olympic Committee & Performance Consultant.

Melissa Stockwell

Paralympic Medalist, 3-Time World Champion, Ironman, Mother & Author

Sekou Andrews

Motivational Poet & Strategic Storyteller SekouWorld Inc.

Greg Norman

Professional Golfer and Entrepreneur

Chris Waddell

Paralympic Sit-Skier & Wheelchair Track Athlete

Paul du Toit

Mindset Shifter, CSP & author of "You Can Present with Confidence"

Kareem Abdul-Jabbar

Highest-Scoring NBA Player in History & Cancer Survivor

A Season on the Reservation: My Soujourn With the White Mountain Apaches

Ernie Johnson, Jr.

Sports Broadcaster, Host of TNT's "Inside the NBA", "NCAA Division | Men's Basketball Championship" on CBS & Major League Baseball on TBS

Jonathan Mooney

Co-Founder of Project Eye-To-Eye & Learning Disabilities Advocate; Recipient of The Harry S. Truman Fellowship for Public Services

Donovan McNabb

Six-Time Pro Bowl Retired NFL Quarterback

Markus Rothkranz

Markus Rothkranz is the author of the international bestsellers "Heal Yourself 101", "The Prosperity Secret", "Heal Your Face" and "Free Food and Medicine"

O.J. Brigance

Former Professional Football Player Living with ALS

Julie Hadden

Author, speaker & star of The Biggest Loser Season 4