Lawrence Krauss

Theoretical Physicist, Author & Professor

Alfie Kohn

Author & Speaker on Human Behavior, Education, & Parenting; Outspoken Critic of Education's Fixation on Grades

Mark Zandi

Chief Economist of Moody's Analytics; Co-Founder of Economy.com

Nadine Strossen

Professor of Law; President, American Civil Liberties Union (1991-2008)

Virginia Postrel

Author & Columnist; Writes on The Intersection of Commerce & Culture

Maude Barlow

Activist, Author & Former UN Senior Advisor on Water

Jesse Schell

Game Designer, CEO of Schell Games & Author of "The Art of Game Design"

Tiffany Shlain

Founder of The Webby Awards; Emmy-Nominated Filmmaker, Bestselling Author, Internet Pioneer & Futurist

Raj Patel

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

Sherman Alexie

Poet, Short Story Writer, Novelist, and Performer

Neil Giuliano

Gay Rights Activist & President and CEO of Greater Pheonix Leadership

Simon Doonan

Author, SLATE columnist Creative Ambassador for Barneys New York

William Powers

Best-Selling Author of Hamlet's BlackBerry

Timothy Patrick McCarthy

Award-Winning Scholar, Educator & Human Rights Activist; Faculty Member at Harvard University's Graduate School of Education and John F. Kennedy School of Government

Reckoning with History: Unfinished Stories of American Freedom

Mark Kramer

Co-founder of FSG, Author & Co-Creator of Shared Value Concept

Jacques Pépin

Master French Chef; Food Columnist; Cookbook Author Educator

Eric Greitens

Missouri Governor; Former Navy SEAL and Founder of The Mission Continues; Best-Selling Author of "Strength and Compassion and The Heart and the Fist"

Joel Klein

Lawyer, Author & Former Chancellor of the New York City Department of Education

Kurt Andersen

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

James Barksdale

Former CEO of Netscape