Mark Ballas

Dancing with the Stars Champion & Mental Health Activist

B.J. Novak

Actor, Writer & Comedian Known for "The Office"

Nick Swardson

Actor & Stand-Up Comedian Known for "Just Go With It," "Grandma's Boy" & "Reno 911"

Josh Peck

Actor & Social Media Influencer

Jenna Marbles

YouTube Sensation

Retta

Stand-Up Comedian & Actress; Known for "Parks and Recreation"

Max Greenfield

Actor Known For "New Girl"

Ben Stein

Political Economist, Commentator, Author & Actor

Henry Winkler

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

John Ratzenberger

Emmy-Nominated Actor, Entrepreneur & Philanthropist

John Ratzenberger talks about his Pixar voices from 'Toy Story,' 'The ...

David Agus

Professor of Medicine and Engineering at the University of Southern California, Co-Founder of Navigenics & Author of "The End of Illness"

Dr. David Agus Gives an Optimistic Outlook for COVID-19 Pandemic

Lisa Ling

Executive Producer & Host of This is Life on CNN

George Takei

Actor Known for His Role in "Star Trek;" LGBTQ & Japanese-American Civil Rights Activist

Peter Guber

Executive, Entrepreneur & #1 NYT Bestselling Author, Operating Owner of the 3-Time NBA Champion Golden State Warriors

Edward James Olmos

Actor Known for His Roles in "Battlestar Galactica" & "Miami Vice"; Director & Latino Culture Advocate

Jason Collins

First Openly Gay Player In Major League Sports, Former NBA Player & Equality Advocate

Jenji Kohan

Creator, "Orange is the New Black"

Beau Willimon

Creator & Screenwriter, "House of Cards"

Sophia Bush

Actress, Humanitarian & Author

Ichak Adizes

Corporate Performance Expert & Authority on Managing Change