Andy Cohen

Emmy Award-Winning Host & Producer of Bravo’s "Watch What Happens: Live"

Andy Cohen reacts to his infamous New Year’s Eve rant

Anne-Marie Slaughter

Foreign Policy Expert, Author & CEO of New America Foundation

B.J. Novak

Actor, Writer & Comedian Known for "The Office"

Ben Stein

Political Economist, Commentator, Author & Actor

Bill Nye

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

Camryn Manheim

Actress; Human Rights Activist; Writer & Producer

Carol Leifer

Award-Winning Writer, Author, Actress & Standup Comedian

Dennis Prager

Host of the Dennis Prager Radio Show, Co-Founder of Prager University, NY Times Bestselling Author & Columnist

The Ten Commandments: Still the Best Moral Code

Ed Rendell

Former Governor of Pennsylvania; NBC News Political Analyst & Author

Henry Winkler

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

Jessica Yellin

Founder of #NewsNotNoise; Former Chief White House Correspondent for CNN

Joan Lunden

Award-Winning Journalist, Best-Selling Author, Health & Wellness Advocate

Jon Steinberg

CEO of Future Plc., Founder of Cheddar; Former President & COO of Buzzfeed; Former CEO of Daily Mail.com in North America

Jonathan Kozol

Educator & Social Justice Advocate

Josh Altman

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

Josh Peck

Actor & Social Media Influencer

Josh Radnor

Actor, Filmmaker, Author & Musician Best Known for his Role in "How I Met Your Mother"

Choosing Between Growth or Depth As A Man - Josh Radnor

Max Greenfield

Actor Known For "New Girl" & Children's Author

Melissa Rivers

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

Monica Lewinsky

Producer, Social Activist, Contributing Editor to Vanity Fair, Expert on Cyberbullying, Women's Issues & Reinvention

Monica Lewinsky Suits Up for Reformation's New Power Voting Campaign