William Shatner

Emmy-Award Winning Actor, Known for "Star Trek" & "Boston Legal"

Joe Scarborough

Co-Host of MSNBC's "Morning Joe" & Former U.S. Congressman

Adam Savage

Industrial & Special Effects Designer, Educator & Co-Host of "MythBusters"

Deion Sanders

Head Football Coach at the University of Colorado Boulder; NFL Hall of Famer, Two-Time Super Bowl Champion, and Broadcast Analyst

Elevate and Dominate: 21 Ways to Win On and Off the Field

Marcus Samuelsson

James Beard Award-Winning Chef & Owner of the Red Rooster Restaurant

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Dr. Michael Roizen

Chief Wellness Officer at the Cleveland Clinic & Co-Founder of RealAge; Anesthesiologist & Former FDA Advisory Committee Chair

Jim Rogers

Investment Expert & Author of "Street Smarts: Adventures on the Road and in the Markets"

Kevin Roberts

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

Rob Riggle

Actor, Comedian, Writer, Producer, Director & Former U.S. Marine

Retta

Stand-Up Comedian & Actress Known for "Parks and Recreation"

Robert Reich

Economic Analyst, CNBC Contributor, Professor, Author, Advisor to Presidents & Former Secretary of Labor

Richard Petty

Former NASCAR Race Car Driver

Jesse Palmer

Host of "The Bachelor"; Former NFL Quarterback & "Bachelor" Alum

Bill Nye

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

Rita Moreno

Award-Winning Actress, Dancer, Singer; Health Advocate & New York Times Bestselling Author

Geoffrey Moore

Organizational Theorist, Management Consultant & Author

Seth Meyers

Host of "Late Night with Seth Meyers" & Former Head Writer for SNL

Danny Meyer

Founder of Shake Shack; Leadership Speaker & Employee Wellness Advocate

Archie Manning

Former NFL Great & Ambassador of Goodwill