Kenneth Roth

Executive Director at Human Rights Watch

Richard Dowden

Director, Royal African Society

Slavoj Žižek

Philosopher & International Director of the Birkbeck Institute for the Humanities

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate

Christ in Crisis: Why We Need to Reclaim Jesus

Raj Patel

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

Noam Chomsky

Professor of Linguistics and Philosophy at MIT & Foreign Policy Author

Arthur Mutambara

Pres., Movement for Democratic Change (Zimbabwe)

Robert Hormats

Vice Chairman of Kissinger Associates Inc.

Kevin Bales

Professor of Contemporary Slavery, & Research Director of the Rights Lab at the University of Nottingham; Co-Founder of Free the Slaves

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

Saadia Zahidi

Member of Executive Committee & Head of Education; Gender & Employment Initiatives; World Economic Forum

Dov Zakheim

Fmr. Undersecretary of Defense (Comptroller)

Harvey Mansfield

Political Philosopher, Author & Distinguished Professor

David Bellos

Translator

Thomas Pogge

Philosopher Thomas Pogge wants to ensure medications get to those who need it most. He has published on a wide range of subjects such as global justice and human rights.

Francis Tapon

Author, Harvard MBA, and World Traveler

Fredrik Stanton

Author, "Great Negotiations: Agreements that Changed the Modern World", Former President of "Columbia Daily Spectator"

Sebastian Copeland

Adventurer, Environmental Activist, Award-Winning Photographer, Author, Lecturer & Founder of the Sedna Foundation

Robert Bryce

Energy Expert, Veteran Journalist & Acclaimed Author

Maude Barlow

Activist, Author & Former UN Senior Advisor on Water

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Robert Thurman

International Authority on World Religions and Spirituality

David M. Rubenstein

Co-Founder & Co-CEO of The Carlyle Group

Ambassador Dennis Ross

Author, Counselor & William Davidson Distinguished Fellow at The Washington Institute; Former Special Assistant to President Obama

Jack Perkowski

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

Matt Miller

Fortune Columnist, Author & Radio Host

Amali Tower

Climate Displacement, Migration & Refugee Expert; Founder of Climate Refugees

Q&A: Amali Tower on Climate Migration and 'Evolution Earth'

Nury Turkel

Commissioner at US Commission on International Religious Freedom

Tolu Olubunmi

Founder & CEO of Lions Write