Professor of Management, Baruch College

Distinguished Professor, University of California at Santa Cruz

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

University Professor Emeritus of Special Education, George Mason University

Professor of Public Policy

Division of HIV/AIDS Prevention, US Centers for Disease Control and Prevention

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

College of Medicine, Qatar University

Trier University

Professor, University of Southern California, Rossier School of Education