Peter Diamandis

Founder & Executive Chairman of the XPRIZE Foundation; Author; Named One of The World's 50 Greatest Leaders

Kathryn Bigelow

First Woman to Win an Academy Award for Best Director; Known for "Zero Dark Thirty" & "The Hurt Locker"

Lisa Ling

Award-Winning Journalist & Producer for CBS News

Bill Nye

"The Science Guy"; Science Communicator, TV Presenter & Mechanical Engineer; Climate Change Activist

LeVar Burton

Literacy Advocate & Actor Known for "Roots," "Star Trek" & "Reading Rainbow"

Viola Davis

Academy Award-Winning Actress, Producer & New York Times Best-Selling Author

Viola Davis on Speaking Up, Challenging Stereotypes

Mark Cuban

Serial Entrepreneur, Investor & Owner of the Dallas Mavericks

Taraji P. Henson

Academy Award-Nominated Actress & Mental Health Advocate

Jesse Williams

Director, Producer, Activist & Actor Known for "Grey's Anatomy"

Gloria Allred

Renowned Women's Rights Attorney; Subject of Netflix Documentary "Seeing Allred"

Joseph Gordon-Levitt

Founder of HitRecord & Actor Known for "Inception" & "The Dark Knight Rises"

Laila Ali

Undefeated Four-Time World Champion Boxer & Lifestyle Expert; Heart Disease Awareness Advocate

Patricia Heaton

Emmy Award-Winning Actress Known for "Everybody Loves Raymond" & "The Middle"

Rob Riggle

Actor, Comedian, Writer, Producer, Director & Former U.S. Marine

Tim Meadows

Actor & Comedian; Known for "Saturday Night Live"

Kal Penn

Actor, Writer, Producer & Former Associate Director of the White House Office of Public Engagement

Kerry Washington

Actress, Producer & Activist Known for Starring as Olivia Pope in ABC's "Scandal"

Mario Lopez

Actor & Entertainment Journalist

Eva Longoria

Award-Winning Actress, Producer, Director, Activist, Philanthropist & Designer

Erin Andrews

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