Noam Chomsky

Professor of Linguistics and Philosophy at MIT & Foreign Policy Author

Francis Tapon

Author, Harvard MBA, and World Traveler

David Remnick

Editor, The New Yorker

Matt Miller

Fortune Columnist, Author & Radio Host

Daniel Pipes

Foreign Policy Expert & President of The Middle East Forum

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate

Christ in Crisis: Why We Need to Reclaim Jesus

Amy Lockwood

Deputy Director of Stanford's Center for Innovation in Global Health

Coleman Peterson

Former Executive Vice President, Wal-Mart. President/CEO of Hollis Enterprises, LLC

Geoffrey West

Theoretical Physicist, Distinguished Professor & Past President of Santa Fe Institute

Sarah Culberson

Princess of Sierra Leone, Humanitarian, Educator & Author of "A Princess Found"; Keynote Speaker on Empowerment, Leadership, Diversity & Inclusion.

Princess Sarah Culberson: Speaking Reel

Rob Gifford

China Editor for The Economist

Mia Farrow

Acclaimed Actress & Humanitarian Activist

Sarah O. Ladislaw

Former Managing Director at Rocky Mountain Institute (RMI)

Nomi Prins

Distinguished Political-Financial Expert, Journalist & Author

James Traub

Global Affairs & Politics Writer

Isaiah Washington

NAACP Image and SAG Award Winning Actor and Activist, Best Known as "Dr. Burke" On "Grey's Anatomy"

Randall Robinson

Social Justice Advocate & Best-Selling Author

Maude Barlow

Activist, Author & Former UN Senior Advisor on Water

Helen Clark

Former Administrator of the United Nations Development Programme & Former Prime Minister of New Zealand

Carl Hobert

Best-Selling Author & K-12 Educator

Justin Hall-Tipping

The Energy Evangelist, Justin Hall-Tipping works on nano-energy startups -- mastering the electron to create power.

Richard Dowden

Director, Royal African Society

David Rothkopf

Former U.S. Under Secretary of Commerce and Former CEO & Editor of the Foreign Policy Group

Ed Rendell

Former Governor of Pennsylvania; NBC News Political Analyst & Author

Gen. Peter Pace, USMC (Ret.)

Chairman, Joint Chiefs of Staff (2005-2007)

Pat Buchanan

Editor, The American Conservative & Panelist on "The McLaughlin Group"

Matthew Bishop

Nonresident Senior Fellow of Global Economy and Development at the Center for Sustainable Development

Ambassador Munir Akram

Former Permanent Representative to the UN from Pakistan

Maria Conchita Alonso

Singer-Songwriter; Latin Actress; LGBT Rights Activist

Rebecca Winthrop

Senior Fellow and Director of the Center for Universal Education at The Brookings Institution