President, Visa Foundation

Senior Fellow, Foreign Policy Program, Brookings Institution

Chester Naramore Dean, Doerr School of Sustainability and Senior Fellow, Precourt Institute for Energy, Stanford University

Senior Vice President of Research, Technology, and Society, Google/Alphabet; Chairman Emeritus, McKinsey Global Institute

Senior Astrophysicist and Goddard Fellow; Senior Project Scientist, James Webb Space Telescope, NASA

Writer; Consultant; Chief Strategy Officer and Creative Producer, Big Sea Entertainment

Author, Superpower in Peril: A Battle Plan to Renew America; Former CEO, Bridgwater Associates

Executive Chairman and Former CEO, McCourt Global; Founder, Project Liberty

Associate Professor, Political Science, Stanford University

Professor of Linguistics, Columbia University

Carolyn T. and Robert M. Rogers Chair, American Presidency, Vanderbilt University; Author, And There Was Light

Managing Director and Purpose Strategy Leader, Monitor Deloitte

Vice President; Managing Director, Aspen Forum for Community Solutions; and Director, Opportunity Youth Forum and Fund, The Aspen Institute

Chief Foreign Affairs and Chief Washington Correspondent, NBC News; Host, “Andrea Mitchell Reports,” MSNBC

Author; Commentator