Sir Richard Branson

Businessman & Founder of Virgin Group

Dr. Mehmet Oz

Cardiothoracic Surgeon; Host of "The Dr. Oz Show;" Columbia University Professor & Author

Tony Robbins

Entrepreneur, Bestselling Author & Peak Performance Strategist

Lance Armstrong

World Champion Cyclist, Olympian & Cancer Survivor

Dan Ariely

Behavioral Economist; Professor at Duke University; Author; Founding Member of The Center for Advanced Hindsight

Peter Diamandis

Founder & Executive Chairman of the XPRIZE Foundation; Author; Named One of The World's 50 Greatest Leaders

Deepak Chopra

Co-Founder of The Chopra Center for Wellbeing

James Park

CEO & Co-founder of Fitbit

Peter Thiel

Former CEO and Co-founder of PayPal; Technology Entrepreneur, Investor and Philanthropist

Mitt and Ann Romney

Former Presidential Candidate and Governor of Massachusetts & Former First Lady of Massachusetts and Wife of Mitt Romney

Anne Wojcicki

Co-Founder & CEO of 23andMe

Mehmood Khan

Vice Chairman & Chief Scientific Officer at PepsiCo

Paul E. Jacobs

Chairman & Chief Executive Officer, XCOM

Shawn Achor

Harvard Professor, Researcher & Positive Psychology Expert; Author of "The Happiness Advantage" and "Big Potential"

Shawn Achor on happiness as a competitive advantage

Dr. Dean Ornish

Physician, Leading Researcher in Healthcare, Founder of the Preventive Medicine Research Institute & Bestselling Author

Dean Kamen

Inventor and Entrepreneur; President, DEKA Research & Development Corporation

Daniel Kahneman

Retired Professor of Psychology & Public Affairs at Princeton University, Author

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Tonya Lewis Lee

Author, Producer & Activist

Tim Tebow

ESPN College Football Analyst; Heisman Trophy Winner; Former Quarterback for NFL's Denver Broncos & Baseball Outfielder for the New York Mets