Steve Wozniak

Co-Founder of Apple Computer, Inc.

Bill Nye

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

Michael Bloomberg

Former 2020 Democratic Presidential Candidate & Mayor of New York City; Founder of Bloomberg LP & Bloomberg Philanthropies

Stephen Colbert

Host of "The Late Show with Stephen Colbert"

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Oprah Winfrey

CEO of Oprah Winfrey Network, Presidential Medal of Freedom Recipient & National Women's Hall of Famer

What Happened to You?: Conversations on Trauma, Resilience, and Healing

Walter Robb

Former CEO, Whole Foods Market

David McCullough

Historian and Bestselling Author

Kerry Washington

Actress, Producer & Activist Known for Starring as Olivia Pope in ABC's "Scandal"

John Green

New York Times Bestselling Author, Known for "The Fault in Our Stars," "Looking for Alaska" & "Paper Towns"

Billie Jean King

Former World #1 Professional Tennis Player & Sports Icon; Advocate for Women's Equality

Bill Cosby

Influential Comedian and Actor; Starred in "The Cosby Show"

Drew Houston

Co-Founder & CEO of Dropbox

Julie Bowen

Emmy Award-Winning Actress, Known for ABC's "Modern Family"

Julie Andrews

Singer, Actress, Author & Humanitarian

Al Franken

Former Senator from Minnesota; Former SNL Writer; SiriusXM Radio Show Host

Gabrielle Giffords

Retired Congresswoman; Assassination Attempt Victim in 2011; Founder of "Giffords"

Robert Redford

Actor, Director, Producer, Environmentalist & Founder of the Sundance Film Festival

Annie Lennox

Singer-Songwriter Known for "Sweet Dreams;" Political Activist & Humanitarian

Darius Rucker

Lead Singer and Rhythm Guitarist of the Rock Band Hootie & the Blowfish