Aziz Ansari

Actor, Stand-up Comedian, and Star of "Master of None"

Conan O'Brien

Comedian, Writer & Host of "Conan"

Eva Longoria

Award-Winning Actress, Producer, Director, Activist, Philanthropist & Designer

Gloria Steinem

Feminist Writer, Activist & Organizer; Co-Founder of New York Magazine & Ms. Magazine

Gretchen Rubin

New York Times Best-Selling Author of "The Happiness Project;" Host of Podcast "Happier with Gretchen Rubin"

Gretchen Rubin - Knowing Yourself: Why You're Happy and You ...

Joe Scarborough and Mika Brzezinski

Hosts of "Morning Joe"

Joseph Gordon-Levitt

Founder of HitRecord & Actor Known for "Inception" & "The Dark Knight Rises"

Lawrence Summers

Professor & Former President of Harvard University; Former Secretary of the Treasury, Director of the National Economic Council, & Chief Economist of the World Bank

Pharrell Williams

Singer-Songwriter, Producer & Entrepreneur; Known for the Hit Single, "Happy"

Richard Thaler

Professor of Behavioral Science and Economics at the University of Chicago; Author of "Misbehaving: The Making of Behavioral Economics"

Richard Thaler: 'We Are Incapable of Learning From the Past ...

Robert Rodriguez

Founder, President & CEO, El Rey Network Director, Writer, Producer & Composer

Scott "Scooter" Braun

Founder of SB Projects

Stacy London

Stylist, Author, Magazine Editor, Known for her role as Co-Host of TLC's "What Not to Wear"

Vanessa Bayer

Actress & Comedian Known for "Saturday Night Live" and "Trainwreck"