Taylor Swift

Pop Singer-Songwriter; Called "Most Successful Artist of the 21st Century"

Steven Spielberg

Oscar Award-Winning Filmmaker

Tom Hanks

Actor, Producer, Writer & Director; Known For "Forrest Gump"

Jeffrey Katzenberg

Founder of Quibi, Film Executive & Media Proprietor

Joe Biden

Former Vice President of the United States

Jon Hamm

Emmy Award Winner & Actor Known for His Role as Don Draper on AMC's Hit Series "Mad Men"

Sophia Bush

Actress, Humanitarian & Author

Keith Olbermann

Award-Winning Host of "Olbermann"

Al Franken

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

Ellen Burstyn

Academy Award-winning Actress

Rahm Emanuel

First Jewish Mayor of Chicago & Former White House Chief of Staff

John Dean

Former White House Council, Columnist & Author of "Conservatives Without Conscience"

Ian Bowles

Environmentalist & Energy Expert; Co-Founder of WindSail Capital Group

Nate Parker

Actor Known for "Red Tails," "The Secret Life of Bees" and "The Great Debaters"

George Mitchell

Global Diplomat, Peace Negotiator & Leadership Expert; Former Senate Majority Leader Who Enjoyed Bipartisan Respect

Ken Salazar

Former Secretary of the U.S. Department of the Interior

Mary Steenburgen

Character Actress; Best Known for her Role in "Philadelphia"

Cory Booker

U.S. Senator from New Jersey; Author of "United" & Former Democratic Presidential Candidate

Cory Booker on Newark Pride, Black Lives Matter and 'This ...

Zell Miller

Georgia Governor (1991-99), U.S. Senator (2000-2004), and Best-Selling Author

Tipper Gore

Social Issues Advocate & Former Second Lady of the United States