Professor of Counseling, Clinical, and School Psychology, University of California, Santa …

University of California, Los Angeles

Distinguished Professor/Director Alberti Center for Bullying Abuse Prevention, University at …

American Institutes for Research

Professor Emeritus, School of Public Affairs, San Diego State University

Universidad Pablo de Olavide, Sevilla, España.

School of Social Work and Social Welfare, The Hebrew University of Jerusalem

Indiana State University

Associate Professor, University of Alabama

Rutgers University