Bill Nye

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

Ben Stein

Political Economist, Commentator, Author & Actor

Sophia Bush

Actress, Humanitarian & Author

Ashley Judd

Actress, Activist & Humanitarian

George Takei

Actor, Social Justice Activist & Social Media Mega-Power

Spike Lee

Academy Award-Winning Writer, Producer, Actor & Director; Best Known for "BlacKkKlansman" & "Malcolm X"

Viola Davis

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

Viola Davis on Speaking Up, Challenging Stereotypes

Anna Deavere Smith

Award-Winning Actress, Playwright & Social Commentator

Josh Altman

Successful Real Estate Agent & Star of Bravo's "Million Dollar Listing"

Randy Fenoli

Fashion Designer & Bridal Consultant; Star of TLC's "Say Yes To The Dress"

Rita Moreno

Award-Winning Actress, Dancer, Singer; Health Advocate & New York Times Bestselling Author

Vince Gilligan

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

NeNe Leakes

Actress featured on "Glee" and "The New Normal," Cast member of "The Real Housewives of Atlanta," Speaker on Domestic Violence

Bunker Roy

Founder of Barefoot College

Melissa Rivers

Actress, Television Host & Producer, Equestrienne, and Philanthropist; Daughter of Late Comedian Joan Rivers

Rob Lowe

Actor, Best-Selling Author, Podcaster & Philanthropist

Lamman Rucker

Actor, Education Activist, Green Living Advocate & Entrepreneur

Debbie Allen

Creative Marketing Expert & Business Speaker

Joe Pantoliano

Emmy Award-Winning Actor & Film Producer; Mental Health Advocate

Will Packer

Award-Winning Producer Known for "Think Like A Man" & "Straight Outta Compton"; Founder of Will Packer Productions