Wendy Davis

Lawyer & Democratic Politician; Founder of Deeds Not Words

Hasan Minhaj

Comedian, Actor, Writer & Star of "Patriot Act with Hasan Minhaj"

Nicole Byer

Comedian, Actress & Writer; Co-Host of "Wipeout"

Alexa von Tobel

Founder & CEO of Learnvest.com; New York Times Bestseller Author of "Financially Fearless"

Gabby Douglas

First African-American to Win Olympic Gold Medal for Gymnastics; Author of New York Times Bestseller "Grace, Gold & Glory: My Leap of Faith"

Ellie Kemper

Actress, Comedian, & Writer Best Known for Her Roles in "The Office" & "Unbreakable Kimmy Schmidt"

Charles Duhigg

Pulitzer Prize-Winning Journalist & Bestselling Author of "The Power of Habit"

Supercommunicators: How to Unlock the Secret Language of Connection

Jimmy Wales

Founder of Wikipedia & Wikitribune

John Legend

EGOT Winning Musician, Producer & Philantropist

Mika Brzezinski

Co-host of MSNBC's "Morning Joe" & Bestselling Author; Founder of "Know Your Value"

Venus Williams

Professional Tennis Player, Four-Time Olympic Gold Medalist, Equal Pay Activist, Author & Entrepreneur

Michael Strahan

Co-Host of "Good Morning America", "Fox NFL Sunday" Analyst, NFL Hall of Famer & Super Bowl Champion

Michael Strahan and his daughter Isabella, 19, reveal her brain cancer diagnosis in emo...

Joe Scarborough

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

Adam Savage

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

Marcus Samuelsson

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

Lisa Ling

Award-Winning Journalist & Producer for CBS News

Steven Levitt

Economist, NY Times Bestselling Author of "Freakonomics," "SuperFreakonomics" & "Think Like a Freak"

Ashley Judd

Actress, Activist & Humanitarian

Kevin Bacon

Actor, Musician, Founder of Sixdegrees.org

Shaquille O'Neal

15-Time NBA All-Star Player, Media Personality, Entrepreneur & Philanthropist

Hilary Swank

Academy Award-Winning Actress; Best known for her roles in 'Million Dollar Baby' and 'Boys Don't Cry'

Lin-Manuel Miranda

Tony Award-Winning Actor, Composer, & Lyricist; Known for "In The Heights," "Bring it On the Musical" & "Hamilton"

Michael Yo

Actor, Stand-up Comedian & Two-Time Emmy Nominee

Rob Lowe

Actor, Best-Selling Author, Podcaster & Philanthropist

Rick Santorum

Former Member of the U.S. Senate

Kate McKinnon

Emmy Award-Winning Comedian & Former Cast Member of "Saturday Night Live"

Candace Nelson

Executive Pastry Chef and Founder of Sprinkles Cupcakes and Ice Cream; Judge on Food Network's "Cupcake Wars"