John Harbison

Composer; Institute Prof. of Music, MIT

Neil Giuliano

Gay Rights Activist & President and CEO of Greater Pheonix Leadership

Patrick Byrne

Founder & CEO, Overstock.com

Enrique Peñalosa

Former Mayor, Bogotá, Colombia

Glenn Roberts

Wheat and Rice Farmer; Owner of Anson Mills

Brian Hoffstein

Contributing Writer

Cody Adams

Managing Editor of The Floating University.

Jeffrey Israel

Author & Jewish Studies Professor at Williams College

D. Quinn Mills

Consultant; Professor Emeritus, Harvard Business School

Dr. Paul Wolpe

Director of the Emory Center for Ethics

Clay Shirky

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

Graham Hill

Founder of Life Edited & TreeHugger.com

Moby

Musician, DJ, Photographer

Kurt Andersen

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

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Parag Khanna

Managing Partner at FutureMap; Strategic Advisor to Governments & Global Companies; Bestselling Author; TED Speaker

Robert Hormats

Vice Chairman of Kissinger Associates Inc.

Richard Florida

Leading Urbanist, Economist & Author of "The Rise of the Creative Class"

The Great Reset: How the Post-Crash Economy Will Change the Way We Live and Work

Andrew Carmellini

Award-Winning Chef & Restaurateur

Sir Richard Branson

Businessman & Founder of Virgin Group

David Patrick Columbia

Founder, The New York Social Diary

Josh Lieb

Executive Producer, "The Daily Show"

Rob Huebel

Actor, Comedian & Writer; Known for his Role in "Children's Hospital" and "Transparent"

Jeffrey Archer

Former UK Member of Parliament; Author

Michael Walzer

Professor Emeritus, The Institute for Advanced Study

Tom Otterness

Sculptor

Leif Pagrotsky

Member of Parliament, Sweden

Richard Dowden

Director, Royal African Society

Dale Jamieson

Professor, New York University

Peter Brabeck

Chairman, Nestlé