Joy-Ann Reid

MSNBC Correspondent, Political Author & Host of "The ReidOut"

Medgar and Myrlie: Medgar Evers and the Love Story that Awakened America

Lynsey Addario

American Photojournalist; Contributor for National Geographic & Time Magazine

Nicholas Burns

Professor of the Practice of Diplomacy & International Politics, Harvard Kennedy School

John Zogby

Trendspotter & Leading Pollster

Rebecca MacKinnon

Founding Director of Ranking Digital Rights

Raj Patel

Award-Winning Writer, Food Politics Activist, Filmmaker & Academic

Juan Williams

New York Times Best-Selling Author, Fox News Political Analyst, Co-Host of "The Five" & Award-Winning Columnist

Kurt Andersen

Host of "Studio 360 from PRI and WNYC" & Author

An Phung

Multimedia Journalist

Brian Hoffstein

Contributing Writer

Cody Adams

Managing Editor of The Floating University.

Shashi Tharoor

Diplomat & Author; Former United Nations Under-Secretary-General

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Michael Rogers

MSNBC's 'The Practical Futurist' & Technology Expert

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Neil Giuliano

Gay Rights Activist & President and CEO of Greater Pheonix Leadership

Jeffrey Israel

Author & Jewish Studies Professor at Williams College

Graham Hill

Founder of Life Edited & TreeHugger.com

David Goodman

New York Times Best-Selling Author & Journalist

Maude Barlow

Activist, Author & Former UN Senior Advisor on Water

Sherman Alexie

Poet, Short Story Writer, Novelist, and Performer

Matt Damon

Actor, Screenwriter & Producer; Co-Founder of Water.org; Expert Advocate on Global Water & Sanitation Crisis

Mark Wahlberg

Actor, Producer & Philanthropist

Jeff Daniels

Actor Known for "The Newsroom" & "Dumb & Dumber"

Frank Oz

Film Director, Actor & Puppeteer, Best Known for Being the Creator and Performer of Yoda, Miss Piggy & Cookie Monster

Costas Markides

Business & Strategy Expert

Questlove

Musician, Music Journalist, Producer & Drummer for The Roots

Rick Steves

TV Host, Bestselling Guidebook Author & Leading Authority on European Travel

Travel as a Political Act with Rick Steves

Robin Wright

Foreign Policy Analyst, Journalist & Author of "Rock the Casbah: Rage and Rebellion across the Islamic World"

Michel Martin

Weekend Host of "All Things Considered" & Former Host of "Tell Me More"