Professor of Management, Baruch College

Professor of Psychological Research Methods - Research Synthesis, University of Vienna

Distinguished Professor, University of California at Santa Cruz

University Professor Emeritus of Special Education, George Mason University

Professor of Public Policy

University of Ioannina School of Medicine; CESH, Brown University School of Public Health

Centers for Disease Control and Prevention

College of Medicine, Qatar University

Trier University

Dipartimento di Economia, Università della Campania Luigi Vanvitelli