Steven Levitt

Economist, NY Times Bestselling Author of "Freakonomics," "SuperFreakonomics" & "Think Like a Freak"

Emmy Rossum

Actress Known for Showtime's "Shameless" & Singer-Songwriter

Ben Stiller

Actor & Comedian

Bill Nye

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

Bill Nye Teaches Science and Problem-Solving | Official Trailer

Jason Alexander

Star of Seinfeld

Stephen Dubner

Award-Winning Author, Journalist, Radio & TV Personality

Gwyneth Paltrow

Actress, Entrepreneur, Founder & CEO of Goop

Steve Ballmer

Former CEO Microsoft; Owner of the Los Angeles Clippers

Bill Maher

Political Satirist & Host of HBO's "Real Time"

Michael Eisner

Former CEO of The Walt Disney Company & Former President of Paramount Pictures

Watch CNBC's full interview with former Disney CEO Michael Eisner

Paul Rudd

Actor; Known for Roles in "Anchorman," "I Love You, Man" and "Ant-Man"

Mia Kirshner

Actress Best Known for her Role in "The L-Word"

Actor Mia Kirshner speaks at the #AfterMeToo Symposium

Seth Rogen

Actor, Comedian, Writer, Producer & Director Known for "Neighbors," "Knocked Up" & "The Green Hornet"; Alzheimer's Awareness Advocate

Jessica Cox

World's First Armless Pilot & First Armless Black-Belt in the American Taekwondo Association

Lesley Hazleton

Author of "The First Muslim," a New Look at the Life of Muhammad

Robert Downey Jr.

Actor, Producer

Salam Al-Marayati

President, Muslim Public Affairs Council

Diana Butler Bass

Author, Speaker, and Independent Scholar specializing in American Religion and Culture

Vanessa Ochs

Author of "Inventing Jewish Ritual", Winner of 2007 National Jewish Book Award, Professor of Religious Studies at University of Virginia

Rick Rubin

Legendary Music Producer and Founder of Def Jam Records