General Director National Institute of Public Health of Mexico

Distinguished Professor of Education, University of California, Irvine

Director, Behavioral Sciences Program, Santa Fe Institute

Professor and Dean Emeritus, Sanford School of Public Policy, Duke University

Maurice Falk Professor of American Government, University of Pittsburgh

Mathematica Policy Research

Heinz College, Carnegie Mellon University

Norman Eig Professor of Business, Columbia Business School, Columbia University

Maurice Falk University Professor of Statistics and Social Science

Professor of Geosciences and International Affairs, Princeton University