Simon Sinek

World-Renowned Leadership Expert & Best-Selling Author

Viola Davis

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

Viola Davis on Speaking Up, Challenging Stereotypes

Kal Penn

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

Mario Lopez

Actor & Entertainment Journalist

Henry Winkler

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

Andie MacDowell

Film Actress

Ronda Rousey

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

Our Fight: A Memoir

Gary Sinise

Actor & Advocate for America's Servicemen and Women; Founder of the Gary Sinise Foundation

Thomas Middleditch

Actor, Voice Actor, Comedian, Screenwriter Known for "Silicon Valley"