Debora Spar

NYT Bestselling Author & Senior Associate Dean of Business & Global Society, Harvard Business School

Patricia Arquette

Academy Award-Winning Actress, Activist, Humanitarian & Author

Nikki Reed

Actress, Singer-Songwriter & Model; Founder & CEO of Eco-Sustainable Fashion Brand Bayou With Love; Autism & Environmental Advocate

Malaak Compton

Activist & Philanthropist

Noreena Hertz

Futurist, Economist, Bestselling Author, "Eyes Wide Open: How to Make Smart Decisions in a Confusing World"

Richard Simmons

Fitness Instructor, Actor, Video Producer Known for "Sweatin' to the Oldies" Aerobics Videos

George Mitchell

Global Diplomat, Peace Negotiator & Leadership Expert; Former Senate Majority Leader Who Enjoyed Bipartisan Respect

Lawrence O'Donnell

Political Analyst, Author & Host of "The Last Word with Lawrence O'Donnell"

Jeff Saturday

Former All-Pro NFL Center; Interim Head Coach of the Indianapolis Colts

Emmy Rossum

Actress Known for Showtime's "Shameless" & Singer-Songwriter

The Lone Bellow

Band That Plays Brooklyn Country Music

The Lone Bellow - Gold (Official Video)

Grace Helbig

Comedian, YouTube Personality, Actress & Author

Wendell Pierce

Author and Actor, best known for "The Wire" and HBO's "Treme"

Buzz Aldrin

Former Fighter Pilot & 2nd Man to Walk on the Moon; Author

Julie Taymor

Film, Opera, & Academy Award-Nominated Theater Director

Nia Vardalos

Oscar-Nominated Actress, Screenwriter & Producer Known for "My Big Fat Greek Wedding"

Holly Robinson Peete & Rodney Peete

Actress, Author, Activist, Philanthropist; Sports Star, TV/Radio Personality, Author

Jai Rodriguez

Culture Vulture On Queer Eye For The Straight Guy

Vicki Lawrence

Actress, Comedian & Women's Activist; Best Known for her Characters on "The Carol Burnett Show"

Ryan Blair

Successful Entrepreneur & Author of "Nothing To Lose, Everything to Gain"