Gloria Steinem

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

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 ...

Andrew Zimmern

Four-Time James Beard Award-Winning TV Personality, Chef, Writer & Teacher

Buddy Valastro

Host of "The Cake Boss" & "The Next Great Baker"

Pharrell Williams

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

Bobby Flay

Chef & Host of "Throwdown With Bobby Flay" and "America's Next Great Restaurant"

Gina Rodriguez

Award-Winning Actress, Producer, Director, Model & Humanitarian

Julie Andrews

Singer, Actress, Author & Humanitarian

Christian Siriano

Fashion Designer, Founder of Christian Siriano, Winner of "Project Runway" Season 4

Michael Symon

Celebrity Chef & Food Network Personality

Michael Symon Gives Chefs The Ultimate Challenge In New Show

Martina McBride

Country Singer-Songwriter & Philanthropist