Matt Flannery

Co-Founder & CEO of Branch.co; Co-founder and Former CEO of Kiva

Richard Barth

President and CEO, KIPP Foundation

Pete Cashmore

Entrepreneur & Founder of Mashable

Bill Gates

Co-Founder of Microsoft; Co-Chair of the Bill & Melinda Gates Foundation

Nicholas Burns

Professor of the Practice of Diplomacy & International Politics, Harvard Kennedy School

Chris Hughes

Senior Fellow, Institute on Race, Power, and Political Economy; Co-founder of Facebook & Former Editor-in-Chief at The New Republic

Robert Bryce

Energy Expert, Veteran Journalist & Acclaimed Author

Ev Williams

Co-founder & Former CEO of Twitter; Founder & CEO of Medium

Biz Stone

Co-Founder of Twitter

Kevin Kelly

Founder & Executive Editor of Wired Magazine, Author of "The Inevitable: Understanding the 12 Technological Forces That Will Shape Our Future"

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

John Doerr

Venture Capitalist at Kleiner Perkins Caufield & Byers

Philip Zelikow

Professor of History, UVA & Fmr. Counselor, Dept. of State

Graham Wyatt

Partner, Robert A. M. Stern Architects

James O. Woolliscroft

Dean, University of Michigan Medical School

Thomas Vilsack

Former Secretary of Agriculture, U.S. Department of Agriculture, President and CEO of U.S. Dairy Export Council

Josh Viertel

President, Slow Food USA

Josh Tyrangiel

Editor, Bloomberg Businessweek

Mark Jude Tramo

Director, Institute for Music and Brain Science, Professor, David Geffen School of Medicine and Herb Alpert School of Music, UCLA

Tom Sturges

Executive Vice President, Head of Creative, Universal Music Publishing Group

Robert Spano

Music Director, Atlanta Symphony Orchestra; 2011 Harman-Eisner Artist-in-Residence

Nigel Sheinwald

British Ambassador to the United States

Gil Shaham

Violinist

Eldar Shafir

Professor Behavioral Science and Public Policy & Professor of Psychology and Public Affairs, Princeton University

Bob Schukai

Global Head of Mobile Technology, Thomson Reuters

David Schlesinger

Chairman, Thomson Reuters China

Witold Rybczynski

Martin and Margy Meyerson Professor of Urbanism and Professor of Real Estate, The Wharton School, University of Pennsylvania

Joel Rose

Former CEO, School of One, New York City Department of Education

Nicolas Rohatyn

Partner, CEO, and Chief Investment Officer, The Rohatyn Group