John Wood

Founder of Room to Read, Author, Social Entrepreneur

Wendy Kopp

CEO of Teach For All & Founder of Teach For America; Childhood Education Advocate

Eric Schwarz

Former CEO and Co-Founder of Citizen Schools

J.B. Schramm

Founder and CEO, College Summit

Nicholas Sagovsky

Canon Theologian, Westminster Abbey

Alex Nicholls

Lecturer in Social Entrepreneurship, Skoll Centre for Social Entrepreneurship

David Bornstein

Author, Fixes column in The New York Times and Founder, Solutions Journalism Network

Clay Shirky

Expert on New Technology & Social Media, & How They Shape Culture; Professor & Distinguished Writer in Residence, NYU

Jimmy Wales

Founder of Wikipedia & Wikitribune

Gary Cohen

Managing Partner at CO2 Partners

Paul Orfalea

Founder of Kinko's

Roger Martin

Management Thinker, Author, Strategist & Advisor

Sakena Yacoobi

Afghan Peace & Education Activist Promoting Access to Education for Women and Children; CEO of the Afghan Institute of Learning (AIL)

Sheldon Yellen

CEO of BELFOR, Disaster Recovery Innovator, Emmy-Nominated Leader

Gerry Adams

President, Sinn Fein

Kishore Mahbubani

Distinguished Fellow, Asia Research Institute at the National University of Singapore; Former Diplomat, Academic & Author

Kurt Andersen

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

Dorothy Stoneman

Dorothy Stoneman is founder and president of YouthBuild USA, the national nonprofit intermediary and support center for more than 225 YouthBuild programs, and a leader in advocating for youth engagement in civil society.

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Unstoppable: The Emerging Left-Right Alliance to Dismantle the Corporate State

Robert Mundell

On December 10, 1999 Robert Mundell, Professor of International Economics at Columbia University, New York, received the Nobel Prize for Economics in Stockholm.

Joel Klein

CEO of Amplify, Former NYC Education Chancellor, Antitrust Attorney

Marc Kielburger

Social Entrepreneur, NYT Bestselling Author, Humanitarian

Lee Hamilton

Member, President's Homeland Security Advisory Council; Director, Center on Congress, Indiana University

Sophal Ear

Leading Researcher on Post-Crisis Nations

Alan Dershowitz

Professor Emeritus at Harvard Law School; Leading Expert in Civil Rights

Bruce Bueno de Mesquita

Political Scientist, Professor at New York University & Senior Fellow at Stanford University's Hoover Institution

Rabbi Shmuley Boteach

Prominent Orthodox Jewish Rabbi & Sex and Relationship Expert

Shiza Shahid

Entrepreneur, Technologist, Investor, Impact Leader & Co-Founder of the Malala Fund & Our Place

H.E. Jan Peter Balkenende

Partner Corporate Responsibility at EY, Professor at Erasmus University Rotterdam, Former Prime Minister of the Netherlands