Montel Williams

Emmy Award-Winning Talk Show Host; Multiple Sclerosis Survivor; Health Equity & Veteran Advocate

Herschel Walker

Former NFL Running Back, 1982 Heisman Trophy Winner & Mental Health Awareness Advocate

Iyanla Vanzant

New York Times Best-Selling Author, Spiritual Life Coach & Host of "Iyanla Fix My Life"

George Takei

Actor, Social Justice Activist & Social Media Mega-Power

Chris Spielman

Former All-Star Linebacker, Special Assistant for the Detroit Lions & Breast Cancer Awareness Advocate

Marcus Samuelsson

James Beard Award-Winning Chef & Owner of the Red Rooster Restaurant

Rita Moreno

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

Geoffrey Moore

Organizational Theorist, Management Consultant & Author

Aasif Mandvi

Comedic Actor & Former Correspondent for "The Daily Show"

Mario Lopez

Actor & Entertainment Journalist

Lisa Leslie

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

Ray Kurzweil

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

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Jonathan and Drew Scott (The Property Brothers)

Hosts of HGTV's "Property Brothers"

Ben Stein

Political Economist, Commentator, Author & Actor

Ray Lewis

Celebrated NFL Linebacker, The Ray Lewis Family Foundation Founder & ESPN Commentator

Peyton Manning & Ray Lewis reminisce on their playing days

B.J. Novak

Actor, Writer & Comedian Known for "The Office"

Anne-Marie Slaughter

Foreign Policy Expert, Author & CEO of New America Foundation

Professor Richard Dawkins

Evolutionary Biologist & Best-Selling Author

Richard Dawkins & Lawrence Krauss ...

Mira Sorvino

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