Ronda Rousey

Former UFC Champion & WWE Wrestler; Olympic Medalist; Actor & Author

Our Fight: A Memoir

Viola Davis

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

Viola Davis on Speaking Up, Challenging Stereotypes

Earvin “Magic” Johnson

Basketball Hall of Famer, Entrepreneur, Philanthropist & Motivational Speaker

Rob Riggle

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

Bill Nye

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

Kal Penn

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

Gabby Douglas

First African-American to Win Olympic Gold Medal for Gymnastics; Author of New York Times Bestseller "Grace, Gold & Glory: My Leap of Faith"

George Takei

Actor, Social Justice Activist & Social Media Mega-Power

Lisa Ling

Award-Winning Journalist & Producer for CBS News

Nia Long

NAACP Image Award-Winning Television & Film Actress, Philanthropist

Shiza Shahid

Entrepreneur, Technologist, Investor, Impact Leader & Co-Founder of the Malala Fund and Our Place

Dolvett Quince

Fitness Guru & Trainer from "The Biggest Loser"

Peter Guber

Executive, Entrepreneur & NYT Bestselling Author; Operating Owner of the 3-Time NBA Champion Golden State Warriors

John Ratzenberger

Emmy-Nominated Actor, Entrepreneur & Philanthropist

Greg Louganis

4x Olympic Gold Medal Diver; LGBTQ Activist & Author

David Agus

Co-Founder of Navigenics, Author of "The End of Illness" & Host of "The Checkup with Dr. David Agus"; Professor of Medicine & Engineering at the University of Southern California

The Book of Animal Secrets

Carol Leifer

Award-Winning Writer, Author, Actress & Standup Comedian

Tavis Smiley

Broadcaster, Author, Publisher, Advocate, and Philanthropist

Sherry Lansing

Former CEO of Paramount Pictures & Founder of The Sherry Lansing Foundation

Kay Warren

Christian Author