Emeritus Distinguished Board of Trustees and Alumni Professor

Distinguished Research Professor, Haskayne School of Business, University of Calgary

Amsterdam University Medical Centers and Vrije Universiteit Amsterdam

Professor, Quantitative Methods, Vanderbilt University

Professor of Psychology, University of Washington

University of Virginia; Center for Open Science

Emeritus Professor of Education and Social Research, The Open University

Professor of Epidemiology& Biostatistics, Michigan State University

Professor of Epidemiology, Tehran University of Medical Sciences

Monash University and University of Newcastle