George Takei

Actor, Social Justice Activist & Social Media Mega-Power

Bill Nye

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

Retta

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

Henry Winkler

Actor, Producer, Director & Best-Selling Author; Best Known for "Happy Days"

Max Greenfield

Actor Known For "New Girl" & Children's Author

Paul DePodesta

Chief Strategy Officer of the NFL's Cleveland Browns & Former Manager of MLB's Los Angeles Dodgers; Subject of "Moneyball"

Clay Walker

Country Music Artist Known For "What's It to You" & Multiple Sclerosis Survivor & Founder of Band Against MS

Brian Kilmeade

Television & Radio Presenter; Co-host of "Fox & Friends" on FOX News Channel

Nick Offerman

Actor, Writer & Carpenter; Best Known for "Parks and Recreation"

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