Laurence Tribe

Carl M. Loeb University Professor at Harvard Law School & Author

Rebecca Minkoff

Fashion Designer & Founder of the Female Founder Collective

Rebecca Minkoff: Fashion Designer - YouTube

Willie Robertson

Star, A&E's "Duck Dynasty" CEO, Duck Commander

Tim Hawkins

Christian Youth Pastor, Musician & Comedian

BJ Fogg

Founder & Director of the Stanford Behavior Design Lab; Behavioral Psychologist and Author

Li Na

Chinese Former Professional Tennis Player; First Asian Player to Win Grand Slam Singles Title

Wim Hof

Known as "The Iceman," Extreme Athlete, Scientific Pioneer & Global Health Leader

Terrell Owens

Former NFL Wide Receiver, NFL Hall of Famer & Alzheimer's Advocate

Gwen Stefani

Three-Time Grammy Award Winner, Singer-Songwriter, Coach on "The Voice," Fashion Designer & Entrepreneur

Brandy

Singer-Songwriter, Record Producer & Actress; Nicknamed "The Vocal Bible"

Bob Odenkirk

Screen and Voice Actor, Comedian & Author; Known for "Breaking Bad" & "Better Call Saul"

Ernie Johnson, Jr.

Sports Broadcaster, Host of TNT's "Inside the NBA", "NCAA Division | Men's Basketball Championship" on CBS & Major League Baseball on TBS

Selma Blair

Actress; Multiple Sclerosis Survivor; Healthcare & Disability Advocate

Reese Witherspoon

Academy Award-Winning Actress & Producer, Founder of Hello Sunshine & Draper James

How Reese Witherspoon Built Her Legally Blonde, Big Little Lies ...

Matthew McConaughey

Academy Award-Winning Actor, Writer & Philanthropist

Hugh Jackman

Australian Actor, Producer & Philanthropist

Christina Ricci

Actress Known for her Roles in "The Addams Family", "Sleepy Hollow" & "Wednesday"

Brandon Flowers

Singer-Songwriter; Frontman for the The Killers; "Mr. Brightside" and "Somebody Told Me"

Fred Swaniker

Founder & CEO of African Leadership Group

Robert C. Merton

Economist, Distinguished Professor of Finance, MIT Sloan School of Management; Nobel Laureate in Economic Sciences