Ichak Adizes

Corporate Performance Expert & Authority on Managing Change

Sophia Bush

Actress, Humanitarian & Author

Kal Penn

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

Sophia Amoruso

International Public Speaker, Founder & CEO of Nasty Gal, Author of "#GIRLBOSS"

I Was A Stripper! A Shoplifter! Then Built A $400m Business!

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

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"

Max Greenfield

Actor Known For "New Girl" & Children's Author

Earvin “Magic” Johnson

Basketball Hall of Famer, Entrepreneur, Philanthropist & Motivational Speaker

Simon Sinek

World-Renowned Leadership Expert & Best-Selling Author

Henry Winkler

Actor, Producer, Director & Best-Selling Author; Best Known for "Happy Days"

George Takei

Actor, Social Justice Activist & Social Media Mega-Power

William Shatner

Emmy-Award Winning Actor, Known for "Star Trek" & "Boston Legal"

Rob Riggle

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

Retta

Stand-Up Comedian & Actress Known for "Parks and Recreation"

Bill Nye

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

Mario Lopez

Actor & Entertainment Journalist

Lisa Ling

Award-Winning Journalist & Producer for CBS News

Ben Stein

Political Economist, Commentator, Author & Actor

B.J. Novak

Actor, Writer & Comedian Known for "The Office"