Bruce Dickinson

Lead Singer of Iron Maiden & Entrepreneur

Dr. Jennifer Ashton

Board-Certified Ob-Gyn, Author & TV Medical Correspondent

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

Hugh Jackman

Australian Actor, Producer & Philanthropist

Larry Fitzgerald

Philanthropist, Business Owner, Investor & Former Wide Receiver for the National Football League

Drew Brees

Philanthropist & Former Super Bowl MVP-Winning Quarterback for the New Orleans Saints

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)

Shannen Doherty

Actress, Producer, Author & TV Director; Breast Cancer Survivor

Shannen Doherty Wants to "Embrace Life"

Angela Kinsey

Emmy Award-Winning Actress Known for "The Office"

Kareem Abdul-Jabbar

Highest-Scoring NBA Player in History & Cancer Survivor

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

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Rita Wilson

Actress, Producer & Singer Known for "Sleepless in Seattle;" Alzheimer's Advocate

Brian Kelly

Head Football Coach at Louisiana State University

Brian Kelly's First Team Meeting as LSU Football Coach

Maura Tierney

Golden Globe Award-Winning Actress & Breast Cancer Survivor

Greg Olsen

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

Marta Kauffman

Writer and TV Producer; Best Known as the Co-Creator of "Friends" & "Grace and Frankie"

DeAngelo Williams

Former NFL Running Back; Founder of The DeAngelo Williams Foundation for Breast Cancer Research & Prevention

Ben Stiller

Actor & Comedian