Kehinde Wiley

Visual Artist Specializing in Portrait Painting; Painted Barack Obama's Official Portrait

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

Reshma Saujani

Lawyer, Politician, Founder of Girls Who Code & Marshall Plan for Moms

Sophia Bush

Actress, Humanitarian & Author

Kal Penn

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

Walter Robb

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

Amy Cuddy

Social Psychologist, Bestselling Author & Award-Winning Harvard Lecturer

Bob Woodward

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

Kevin O'Leary

Founder of O'Leary Financial Group; Venture Capitalist & Financial Expert Known for "Shark Tank"

Lin-Manuel Miranda

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

Andy Cohen

Emmy Award-Winning Host & Producer of Bravo’s "Watch What Happens: Live"

Andy Cohen reacts to his infamous New Year’s Eve rant

Blythe Danner

Emmy Award-Winning Actress & Activist

Montel Williams

Emmy Award-Winning Talk Show Host; Multiple Sclerosis Survivor; Health Equity & Veteran Advocate

George Takei

Actor, Social Justice Activist & Social Media Mega-Power

Ian Somerhalder

Actor Known for "The Vampire Diaries"; Animal & Environmental Advocate; Founder of The Ian Somerhalder Foundation

Joe Scarborough

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

Marcus Samuelsson

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

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Dr. Michael Roizen

Chief Wellness Officer at the Cleveland Clinic & Co-Founder of RealAge; Anesthesiologist & Former FDA Advisory Committee Chair

Bill Nye

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