Adam Garone

Former CEO of the Movember Foundation

Amber Jenkins

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

Andie MacDowell

Film Actress

B.J. Novak

Actor, Writer & Comedian Known for "The Office"

Beau Willimon

Creator & Screenwriter, "House of Cards"

Ben Stein

Political Economist, Commentator, Author & Actor

Bill Hader

Actor, Comedian, Writer, & Director; Known for "Saturday Night Live" & "Barry"

Seth Meyers & Bill Hader's Favorite SNL Memories & Barry Finale

Bill Nye

"The Science Guy"; Science Communicator, TV Presenter & Mechanical Engineer; Climate Change Activist

Brad Goreski

Celebrity Fashion Stylist; Star of Bravo's Reality Show "It's A Brad, Brad World"; Creative Director of C. Wonder

Candace Nelson

Executive Pastry Chef and Founder of Sprinkles Cupcakes and Ice Cream; Judge on Food Network's "Cupcake Wars"

Carol Leifer

Award-Winning Writer, Author, Actress & Standup Comedian

Comfort Fedoke

Hip Hop Dancer, Finalist from So You Think You Can Dance

Connie Merritt

Relationship, Healthcare & Communication Expert

Dan Mintz

Comedian and Voice Actor; Known for Playing Tina Belcher on "Bob's Burgers"

Dave Logan, PhD

Co-Founder of Care4th LLC & Author of New York Times #1 Bestseller "Tribal Leadership"

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

Davis Guggenheim

Academy Award-Winning Director & Producer Known for "He Named Me Malala," "An Inconvenient Truth," "Waiting for Superman" & "Still: A Michael J. Fox Movie"

DeVon Franklin

Award-Winning Producer, New York Times Bestselling Author & Motivational Speaker

Dennis Prager

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

Dolvett Quince

Fitness Guru & Trainer from "The Biggest Loser"