General Director National Institute of Public Health of Mexico

Distinguished Professor of Education, University of California, Irvine

Research Professor, 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

Maurice Falk University Professor of Statistics and Social Science

Heinz College, Carnegie Mellon University

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

Northwestern University