Columbia University

Professor of Cognitive Psychology, University of Mannheim, Germany

Howard Heinz University Professor, Carnegie Mellon University

Universitat Pompeu Fabra

Thornton F. Bradshaw Professor, Harvard University

Professor Emeritus, James Madison University

Professor of Psychology, University of Chicago

Kravis Professor of Business, Columbia University

Department of Psychology, York University

Max Planck Institute for Research on Collective Goods