Dr. Antonia Darder

Scholar, Artist, Poet, Activist & Public Intellectual

Kal Penn

Actor, Writer, Producer & Former Associate Director of the White House Office of Public Engagement

Vilayanur Ramachandran

Neuroscientist; Director of the Center for Brain & Cognition, University of California, San Diego

Pedro Noguera

Professor of Education, Founder of the Center for the Transformation of Schools UCLA

Jenna Marbles

YouTube Sensation

Lauren Cohan

Actress; Best Known as Maggie Greene on "The Walking Dead"

Rob Riggle

Actor, Comedian, Writer, Producer, Director & Former U.S. Marine

David Agus

Co-Founder of Navigenics, Author of "The End of Illness" & Host of "The Checkup with Dr. David Agus"; Professor of Medicine & Engineering at the University of Southern California

The Book of Animal Secrets

Dennis Prager

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

Jessica Yellin

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

Laurie Holden

Actress Known For AMC's "The Walking Dead;" Human Rights Activist

Todd Purdum

Senior writer at POLITICO and a contributing editor at Vanity Fair

Jim Abbott

Former One-Handed Major League Baseball Pitcher

Sherry Lansing

Former CEO of Paramount Pictures & Founder of The Sherry Lansing Foundation

Sandra Fluke

Lawyer, Social Justice Advocate, Women's Health Expert

Mario Lopez

Actor & Entertainment Journalist

Jenji Kohan

Creator, "Orange is the New Black"

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

Irshad Manji

Founder of The Moral Courage Project, Author of "Allah, Liberty and Love" & "The Trouble with Islam Today: A Muslim's Call for Reform in Her Faith"

Dom Sagolla

Co-Creator of Twitter; Author of "140 Characters"