Institute for Applied Research in Youth Development, Tufts University

Professor, Dept. of Psychology and Social Behavior

Mills College

Chair of General Psychology, FSU Jena

Professor of Psychology, Concordia University, Montreal

Emeritus Professor, Loughborough University, UK

Professor, Cornell University

Assistant Clinical Professor, Psychiatry, Harvard Medical School

Professor, Penn State University

Alpen-Adria-Universität Klagenfurt