George Takei

Actor, Social Justice Activist & Social Media Mega-Power

William Shatner

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

Dr. Michael Roizen

Chief Wellness Officer at the Cleveland Clinic & Co-Founder of RealAge; Anesthesiologist & Former FDA Advisory Committee Chair

Retta

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

Robert Reich

Economic Analyst, CNBC Contributor, Professor, Author, Advisor to Presidents & Former Secretary of Labor

Bill Nye

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

Rita Moreno

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

Aasif Mandvi

Comedic Actor & Former Correspondent for "The Daily Show"

Mario Lopez

Actor & Entertainment Journalist

Lisa Ling

Award-Winning Journalist & Producer for CBS News

Lisa Leslie

WNBA Champion, Olympic Gold Medalist & Author of "Don't Let the Lipstick Fool You;" Coach of Ice-Cube's BIG3 Basketball League

Spike Lee

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

Ray Kurzweil

Chairman of Kurzweil Technologies, Inventor & Futurist; Author of "How to Create a Mind"

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Ashley Judd

Actress, Activist & Humanitarian

Ben Stein

Political Economist, Commentator, Author & Actor

Don Lemon

Emmy Award-Winning News Anchor & Journalist, Author of "This Is The Fire"

Don Lemon To Launch New Show On X

B.J. Novak

Actor, Writer & Comedian Known for "The Office"

Kevin Bacon

Actor, Musician, Founder of Sixdegrees.org

Anne-Marie Slaughter

Foreign Policy Expert, Author & CEO of New America Foundation