Martina McBride

Country Singer-Songwriter & Philanthropist

Shaun Tomson

Former World Champion Surfer, Environmentalist & Motivational Speaker

Jane Pauley

Emmy Award-winning Broadcast Journalist & Mental Health Advocate

Scott Conant

Celebrity Chef, Judge on Food Network's Chopped, Author, Bold Italian

Captain Richard Phillips

Captain of the Maersk Alabama; Author, "A Captain’s Duty: Somali Pirates, Navy SEALs, and Dangerous Days at Sea"

Scott "Scooter" Braun

Founder of SB Projects

Deon Cole

Standup comedian famous for his roles on ABC's "Black-ish" and TBS' "Angie Tribeca"

Hasan Minhaj

Comedian, Actor, Writer & Star of "Patriot Act with Hasan Minhaj"

John Cena

WWE Professional Wrestler, Bodybuilder, and Actor Known for "Trainwreck"

Kristi Yamaguchi

Former Olympic Figure Skater, Olympic Gold Medalist & Celebrity Champion of Dancing with the Stars

Wayne Gretzky

Legendary Hockey Player & Founder of the Wayne Gretzky Foundation

Stephen Dubner

Award-Winning Author, Journalist, Radio & TV Personality

Kevin Hart

Actor & Comedian

Robin Sharma

Founder of Sharma Leadership International Inc & Author of "The Leader Who Had No Title"

The Wealth Money Can't Buy: The 8 Hidden Habits to Live Your Richest Life

Al Roker

Co-Host NBC Today Show Media Entrepreneur, Author

Cecile Richards

Co-Founder of Supermajority & Gender Equity Advocate; Former President of Planned Parenthood

Edward Norton

Award Winning Actor & Filmmaker

Michael Eisner

Former CEO of The Walt Disney Company & Former President of Paramount Pictures, Founder of The Tornante Company

Camp

Craig Venter

Founder & CEO of Synthetic Genomics Inc.

Wendy Davis

Lawyer & Democratic Politician; Founder of Deeds Not Words

Sheryl Crow

Grammy Award-Winning Singer-Songwriter

Pete Davidson

Comedian & Former "Saturday Night Live" Cast Member

Matthew McConaughey

Academy Award-Winning Actor, Writer & Philanthropist

Ellie Kemper

Actress, Comedian, & Writer Best Known for Her Roles in "The Office" & "Unbreakable Kimmy Schmidt"

Robert Downey Jr.

Academy Award-Winning Actor & Producer

Robert Downey Jr. Wins Male Supporting Actor In A Motion Picture

Donald Glover

Award-Winning Actor, Comedian, Writer, Director & Musician; Performs as Childish Gambino

Nate Berkus

Award-Winning Interior Designer & TV Host

Kevin James

Comedian & Actor, Known for "The King of Queens" & "Grown Ups"

Kevin James Reacts to His Viral The King of Queens Meme

Robert Rodriguez

Founder, President & CEO, El Rey Network Director, Writer, Producer & Composer

Adam Sandler

Actor, Comedian, Producer & Musician