Deborah Berebichez

Data Scientist & Pioneer in Wireless Communications Technology; Founder & CEO of Solve For You

Tal Ben-Shahar

Best-Selling Author & Positive Psychology Expert

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

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

Bjorn Lomborg

Political Scientist & Author of "The Skeptical Environmentalist"

Lawrence Krauss

Theoretical Physicist, Author & Professor

John P. Kotter

Leadership & Change Management Guru

Alfie Kohn

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

John Amaechi

Organizational Psychologist, Leadership Transformation Expert & Former NBA Player

Patrick Byrne

Founder & CEO, Overstock.com

Mark Zandi

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

General Wesley Clark

Retired Four-Star Army General & Former NATO Supreme Allied Commander

Amy Gutmann

United States Ambassador to Germany; Former President of UPenn

Graham Hill

Founder of Life Edited & TreeHugger.com

Sherman Alexie

Poet, Short Story Writer, Novelist, and Performer

Nadine Strossen

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

Jon Corzine

Former Governor of New Jersey; Former CEO of Goldman Sachs & MF Global