Al Roker

Co-Host NBC Today Show Media Entrepreneur, Author

Alfonso Ribeiro

Host of America’s Funniest Home Videos, Actor, TV Director, Award-Winning Dancer & Broadway Star

Alison Sweeney

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

Alonzo Mourning

Naismith Memorial Basketball Hall of Fame Inductee; Co-Founder of Mourning Family Foundation

Amy Smart

Actress, Environmentalist & Co-Founder of Smart House Collections

Amy Van Dyken-Rouen

Six-Time Olympic Gold Medalist Swimmer

Anna Kournikova

International Tennis Icon, Health & Fitness Advocate, Former World #1 Doubles Player and #8 Singles Player; Former Co-Host on NBC’s “The Biggest” Loser (2011), Named to the Forbes “Power 100” in 2000

Antonia Lofaso

Celebrity Chef Specializing in Italian Cuisine and Stars on "Cutthroat Kitchen" and "Top Chef"

Apolo Ohno

Eight-Time Olympic Medalist, Top Short-Track Skater in the United States & NYT Best Selling Author

Hard Pivot: Embrace Change. Find Purpose. Show Up Fully.

Bakari Sellers

Author, Attorney, Political Commentator & Youngest African American Elected Official in the U.S.

Ben Goldacre

Physician; Best-Selling Academic & Science Writer

Bernard Kouchner

Former Minister of Health of France; Founder of Nobel Peace Prize-Winning Médecins Sans Frontières

Bill Parcells

Former NFL Head Coach & Pro Football Hall of Fame Inductee

Bill Walton

Executive Chairman of Connect SD Sport Innovators (SDSI)

Blair Underwood

Award-Winning Actor & Producer

Bob Arnot

Medical and Foreign Correspondent and Best-Selling

Bob Greene

Exercise Guru & Best-Selling Author

Bob Newhart

Stand-Up Comedian & Actor, Known for "The Bob Newhart Show" and "Newhart"

Bob Rotella

World's Foremost Sports Psychologist; Peak Performance Expert; Author, "Golf Is Not A Game Of Perfect"

Brandon Marshall

Former NFL Pro Bowler, TV Personality, Mental Health Advocate, Founder, Host of I AM Athlete & CEO of House of Athlete