Sophia Bush

Actress, Humanitarian & Author

Kal Penn

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

Sophia Amoruso

International Public Speaker, Founder & CEO of Nasty Gal, Author of "#GIRLBOSS"

I Was A Stripper! A Shoplifter! Then Built A $400m Business!

Max Greenfield

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

Henry Winkler

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

George Takei

Actor, Social Justice Activist & Social Media Mega-Power

Mario Lopez

Actor & Entertainment Journalist

Lisa Ling

Award-Winning Journalist & Producer for CBS News

Ben Stein

Political Economist, Commentator, Author & Actor

B.J. Novak

Actor, Writer & Comedian Known for "The Office"

Thomas Middleditch

Actor, Voice Actor, Comedian, Screenwriter Known for "Silicon Valley"

Josh Peck

Actor & Social Media Influencer

Shiza Shahid

Entrepreneur, Technologist, Investor, Impact Leader & Co-Founder of the Malala Fund and Our Place

Dolvett Quince

Fitness Guru & Trainer from "The Biggest Loser"

Peter Guber

Executive, Entrepreneur & NYT Bestselling Author; Operating Owner of the 3-Time NBA Champion Golden State Warriors

John Ratzenberger

Emmy-Nominated Actor, Entrepreneur & Philanthropist

Greg Louganis

4x Olympic Gold Medal Diver; LGBTQ Activist & Author

Josh Altman

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

Dennis Prager

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

Mark Ballas

Dancing with the Stars Champion & Mental Health Activist