Yochi Dreazen

Deputy Managing Editor & Foreign Editor of Vox; Author of "The Invisible Front: Love and Loss in an Era of Endless War"

Arvind Panagariya

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

Rose Mapendo

Humanitarian / Activist / Congolese Genocide Survivor

Sarah O. Ladislaw

Former Managing Director at Rocky Mountain Institute (RMI)

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Ahmed Shihab-Eldin

Emmy-Nominated Journalist; Correspondent & Producer at VICE Media, LLC

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Edward C. Chow

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

Scott Aughenbaugh

Strategic Engagement Director at the National Security Innovation Network

Dennis Kucinich

Fox News Contributor, Former Ohio US Representative and Two-Time Presidential Candidate

Stephen Walt

Robert and Renee Belfer Professor of International Affairs at Harvard University

Stephen M. Walt | Realism & Balance of Threat | GREAT MINDS

David Rothkopf

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

Kenneth Roth

Executive Director at Human Rights Watch

Ingrid Newkirk

President, PETA

Marina Adshade

Author of "Dollars and Sex: How Economics Influences Sex and Love"

An Phung

Multimedia Journalist

David Bellos

Translator

Slavoj Žižek

Philosopher & International Director of the Birkbeck Institute for the Humanities

Rye Barcott

Co-Founder & CEO of With Honor, Veteran and Author of "It Happened on the Way to War"

Robin Wright

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

Somaly Mam

Survivor & Anti-Sex Slavery Activist

Shirin Ebadi

Nobel Peace Prize-Winning Iranian Activist & Lawyer

Dr. Samantha Nutt

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

Mark Kramer

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

Rebecca MacKinnon

Founding Director of Ranking Digital Rights

Yves Rossy

Military-Trained Pilot & Aviation Enthusiast

Anna Dietrich

‎Entrepreneur; Consultant; Speaker; COO & Co-Founder of Terrafugia, Inc.

Mikko Hypponen

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

If It's Smart, It's Vulnerable

Justin Hall-Tipping

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

Todd Kuiken

Biomedical Engineering Manager at the Rehabilitation Institute of Chicago