Andie MacDowell

Film Actress

Rob Riggle

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

Ben Stein

Political Economist, Commentator, Author & Actor

Viola Davis

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

Viola Davis on Speaking Up, Challenging Stereotypes

Henry Winkler

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

Davis Guggenheim

Academy Award-Winning Director & Producer Known for "He Named Me Malala," "An Inconvenient Truth," "Waiting for Superman" & "Still: A Michael J. Fox Movie"

Earvin “Magic” Johnson

Basketball Hall of Famer, Entrepreneur, Philanthropist & Motivational Speaker

Sophia Bush

Actress, Humanitarian & Author

Retta

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

Lisa Ling

Award-Winning Journalist & Producer for CBS News

Mira Sorvino

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

Kal Penn

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

Bill Nye

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

Gary Sinise

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

Vince Gilligan

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

Jonathan and Drew Scott (The Property Brothers)

Hosts of HGTV's "Property Brothers"

Ichak Adizes

Corporate Performance Expert & Authority on Managing Change

Rob Lowe

Actor, Best-Selling Author, Podcaster & Philanthropist

B.J. Novak

Actor, Writer & Comedian Known for "The Office"

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"