Slavoj Žižek

Philosopher & International Director of the Birkbeck Institute for the Humanities

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

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Kenneth Roth

Executive Director at Human Rights Watch

John Prendergast

Human Rights Advocate and Author of Unlikely Brothers

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate

David Bellos

Translator

Dr. Samantha Nutt

Medical Doctor, Award-Winning Humanitarian, Bestselling Author & Founder of War Child USA

Yves Rossy

Military-Trained Pilot & Aviation Enthusiast

Todd Kuiken

Biomedical Engineering Manager at the Rehabilitation Institute of Chicago

Justin Hall-Tipping

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

Andrew Cohen

Founder, EnlightenNext

Coleman Peterson

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

James A. Joseph

Former Ambassador to South Africa; Leader in Residence, Hart Leadership Program at Duke University

Immaculée Ilibagiza

Author, "Left to Tell: Discovering God Amidst the Rwandan Holocaust"

Jack Perkowski

Managing Partner, JFP Holdings Ltd., Founder, ASIMCO Technologies and Author, Managing the Dragon

Rose Mapendo

Humanitarian / Activist / Congolese Genocide Survivor

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Larraine Segil

Global Business Consultant

Maria Conchita Alonso

Singer-Songwriter; Latin Actress; LGBT Rights Activist

Edward C. Chow

Senior Associate at the Center for Strategic and International Studies, Energy Security and Climate Change Program

James Rubin

Special Envoy and Coordinator for the U.S. Department of State’s Global Engagement Center, Served as U.S. Assistant Secretary of State for Public Affairs in the Clinton Administration from 1997–2000

Helen Clark

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

Arvind Panagariya

Professor of Economics & Jagdish Bhagwati Professor of Indian Political Economy at Columbia University

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Robin Wright

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

Shirin Ebadi

Nobel Peace Prize-Winning Iranian Activist & Lawyer

Mark Kramer

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

Mikko Hypponen

Computer Security Expert; Chief Research Officer at WithSecure & Principal Research Advisor at F-Secure

If It's Smart, It's Vulnerable