Simon Sinek

World-Renowned Leadership Expert & Best-Selling Author

Lisa Ling

Award-Winning Journalist & Producer for CBS News

Bill Nye

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

Ben Stein

Political Economist, Commentator, Author & Actor

B.J. Novak

Actor, Writer & Comedian Known for "The Office"

Sophia Bush

Actress, Humanitarian & Author

George Takei

Actor, Social Justice Activist & Social Media Mega-Power

Sophia Amoruso

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

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

T.J. Miller

Actor and Stand-Up Comedian, Currently Starring in HBO's 'Silicon Valley'

Viola Davis

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

Viola Davis on Speaking Up, Challenging Stereotypes

Bill Hader

Actor, Comedian, Writer, & Director; Known for "Saturday Night Live" & "Barry"

Seth Meyers & Bill Hader's Favorite SNL Memories & Barry Finale

Retta

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

Mira Sorvino

Academy Award-Winning Actress & United Nations Goodwill Ambassador on Human Trafficking

Earvin “Magic” Johnson

Basketball Hall of Famer, Entrepreneur, Philanthropist & Motivational Speaker

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"

Richard Blais

Chef, Culinary Designer & Winner of Bravo's "Top Chef All Stars"

Max Greenfield

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

Rob Riggle

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

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Vince Gilligan

Creator, "Breaking Bad" & "Better Call Saul"