Professor Emeritus of Sociology and Anthropology, Northeastern University

Hoogleraar Sociale Psychologie, Radboud Universiteit Nijmegen

NYU

Senior Research Fellow, Flinders University

Associate Professor of Psychology, University of Twente

Professor of Early Prehistory, Newcastle University

Professor of the Anthropology of the North, University of Aberdeen

Stockholm University

Associate Professor, McMaster University

Professor of Sociology, University of Texas at Arlington