Professor of Psychology, Michigan State University

University of Nottingham

Hoogleraar Sociale Psychologie, VU University

Professor of Mathematical Biology, University of British Columbia, Vancouver

Associate Professor, Psychological and Brain Sciences, University of Delaware

Professor of Psychology, University of Richmond

Professor in Economics, University of Cologne

Professor of Human Cooperation, VU Amsterdam

Professor of Sociology, Utrecht University

Assoc. Editor, Small Group Research; Assoc. Professor Emeritus, Psych & Brain Sciences …