Rob Riggle

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

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Mika Brzezinski

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

Vince Gilligan

Creator, "Breaking Bad" & "Better Call Saul"

Kal Penn

Actor, Writer, Producer & Former Associate Director of the White House Office of Public Engagement

Archie Manning

Former NFL Great & Ambassador of Goodwill

Trish Regan

Investigative Journalist, Host of "Trish Regan Primetime"

Blythe Danner

Emmy Award-Winning Actress & Activist

Walter Robb

Food Retail Expert & Food Access Advocate; Principal at Stonewall Robb Advisors; Former Co-CEO of Whole Foods Market

Ree Drummond

Host of "The Pioneer Woman" on the Food Network

Kevin Roberts

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

Marcus Samuelsson

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

Professor Richard Dawkins

Evolutionary Biologist & Best-Selling Author

Richard Dawkins & Lawrence Krauss ...

Nikki Glaser

Stand-Up Comedian & Podcast Host; Known for "Last Comic Standing" and "Inside Amy Schumer"

Dr. John C. Maxwell

Leadership Expert & Author

Herschel Walker

Former NFL Running Back, 1982 Heisman Trophy Winner & Mental Health Awareness Advocate

Mario Lopez

Actor & Entertainment Journalist

Monica Lewinsky

Producer, Social Activist, Contributing Editor to Vanity Fair, Expert on Cyberbullying, Women's Issues & Reinvention

Monica Lewinsky Suits Up for Reformation's New Power Voting Campaign

Bob Woodward

Legendary Pulitzer Prize-Winning Investigative Journalist; 22-Time Best-Selling Author & Associate Editor at The Washington Post

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...