Research Professor of Psychology

Em. Professor of social science, Universsity of Amsterdam

Research Professor, Institut Barcelona d'Estudis Internacionals; Emeritus Professor, Sussex

Professor of Political Science, University of California-Berkeley

Boston University

Moses and Annuta Back Professor of international peace and conflict resolution, Rutgers …

Associate Professor of Psychology, Clark University

School of International Policy and Governance, Wilfrid Laurier University

University of California

Professor, University of London