Dr. Lisa Masterson

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

Thomas Middleditch

Actor, Voice Actor, Comedian, Screenwriter Known for "Silicon Valley"

Ichak Adizes

Corporate Performance Expert & Authority on Managing Change

John Mauldin

Renowned Financial Expert, New York Times Best-Selling Author & Pioneering Online Commentator

Tony Horton

Fitness Expert & Founder of Fitness Program P90X

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

Jeremy Heimans

Co-Founder & Chairman of Purpose; Best-Selling Author; Lifelong Activist & World-Renowned Expert on Building Social Movements

Richard Petty

Former NASCAR Race Car Driver

Felix Baumgartner

Skydiver, BASE Jumper & World Record Holder

Jamie Kennedy

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

White Panda

DJ Known for Remixing & Releasing Viral Mashups

Aaron Hurst

CEO of Imperative, Expert on the Science of Purpose at Work, Globally Recognized Social Entrepreneur & Author of "The Purpose Economy"

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"

Kevin Roberts

Authority on Brands & the Future of Marketing; Executive Chairman, Saatchi & Saatchi; Creator of Groundbreaking Concept & Book: Lovemarks

Tess Vigeland

Author, Veteran Journalist & CEO of Tess Vigeland Productions

Tony Schwartz

Founder & CEO of The Energy Project

Phil Donahue

Creator and Host of "Donahue," the Long-Running Talk Show

Josh Radnor

Actor, Filmmaker, Author & Musician Best Known for his Role in "How I Met Your Mother"

Choosing Between Growth or Depth As A Man - Josh Radnor

Tim Grover

CEO of Attack Athletics, Best-selling Author of "Relentless" and "Jump Attack"

Tom Cotter

Comedian and Breakout Star from "America's Got Talent"

Ian Morris

Jean and Rebecca Willard Professor of Classics and Professor of History