Josh Peck

Actor & Social Media Influencer

Sophia Amoruso

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

Dr. Lisa Masterson

OB/GYN, Mom, Philanthropist & Author; Known as Co-Host of "The Doctors"

Kay Warren

Christian Author

Gabby Douglas

First African-American to Win Olympic Gold Medal for Gymnastics; Author of New York Times Bestseller "Grace, Gold & Glory: My Leap of Faith"

Josh Altman

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

B.J. Novak

Actor, Writer & Comedian Known for "The Office"

Dolvett Quince

Fitness Guru & Trainer from "The Biggest Loser"

Tony Horton

Fitness Expert & Founder of Fitness Program P90X

Crush It!: The Revolutionary Fitness Plan for All Levels That Burns Fat, Builds Muscle,...

Peter Guber

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

Henry Winkler

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

Ben Stein

Political Economist, Commentator, Author & Actor

John Ratzenberger

Emmy-Nominated Actor, Entrepreneur & Philanthropist

Greg Louganis

4x Olympic Gold Medal Diver; LGBTQ Activist & Author

Lisa Ling

Award-Winning Journalist & Producer for CBS News

Jamie Kennedy

Actor & Comedian; Best Known for "The Jamie Kennedy Experiment"

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