Richard von Weizsäcker Distinguished Visitors

University Professor of Economics and Law, Columbia University

Professor in Early Modern Art, University of Pennsylvania

Former US Secretary of Energy, US Department of Energy; Professor of Physics, Molecular and Cellular Physiology, and Energy Science and Engineering, Stanford University

Former US Senator and Senate Majority Leader (D-South Dakota), United States Senate

Gladys and Roland Harriman Professor of Comparative Economic Systems, and Director, Center for Transition Economies, Columbia University

Journalist and Historian,

George F. Kennan Professor (2006-2011), Institute for Advanced Study; Professor Emeritus of Philosophy, The Hebrew University of Jerusalem

Former U.S. National Climate Advisor; Former Administrator, U.S. Environmental Protection Agency

Research Professor, The Graduate Center, and Senior Scholar, Stone Center on Socio-Economic Inequality, City University of New York

Music Critic, The New Yorker

University Professor and Director of the Center for Sustainable Development, Columbia University

Ira A. Lipman Chair in Emerging Technologies and Director, Digital and Cyberspace Policy Program, Council on Foreign Relations