Simone Giertz

Inventor, Robotics Enthusiast & TV Host

Cris Collinsworth

Former NFL Wide Receiver & Sports Emmy Award-Winning Game Analyst for NBC's "Sunday Night Football"

Dave Winfield

National Baseball Hall of Famer & Advisor to the Executive Director of the Major League Baseball Players Association

Mark Schulman

World-Renowned Drummer, Author, Motivator, Expert in The Secrets of a Rockstar Performance

Amy Robach

Co-Host of "Amy & T.J. Podcast"; Former Co-Host of "20/20" & Former ABC News Correspondent for "Good Morning America;" Breast Cancer Survivor

Sugar Ray Leonard

Legendary Sports Icon, Olympic Champion and Hall of Famer, Philanthropist, Bestselling Author & Television Personality

Vanessa Bayer

Actress & Comedian Known for "Saturday Night Live" and "Trainwreck"

Dr. Drew Pinsky

Physician, Addiction Medicine Specialist, TV Host, Author & Podcaster

Grant Achatz

Award-Winning Chef, Restaurateur & Cancer Survivor

Kathy Bates

Academy Award-Winning Actress; Cancer Survivor & Chairperson for the Lymphatic Education & Research Network

Kathy Griffin

Emmy Award-Winning Comedian, Actress and Television Personality

Lara Logan

Journalist, Former "60 Minutes" Correspondent & Chief Foreign Affairs Correspondent for CBS

Cynthia Cooper

Olympic Gold Medalist, Two-Time WNBA MVP; Former Head Coach of Texas Southern Women's Basketball Team

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

Lori Allen

Founder & Owner of Bridals by Lori; Star of "Say Yes to the Dress Atlanta;" Breast Cancer Survivor

Lance Armstrong

World Champion Cyclist, Olympian & Cancer Survivor

Kristin Hannah

Award-Winning Author of "The Four Winds," "The Nightingale" & "Firefly Lane"

Between Sisters: A Novel (Random House Reader's Circle)

Ellen MacArthur

Former Long-Distance Yachtswoman & Founder of the Ellen MacArthur Foundation

Jennifer Arnold

Co-Star of TLC’s "Little Couple," Neonatologist, Cancer Survivor & Author of "Life is Short"

Tiki Barber

NFL Former Pro Bowl Running Back & Founder of Thuzio