Edward Dunbar, EdD, is clinical professor in the Department of Psychology at University of California, Los Angeles. He is a practicing psychologist whose clinical work addresses the issues of the treatment of workplace harassment, crime victimization, psychological trauma, and violence risk assessment. Dunbar currently consults with the Los Angeles Police Department, the Los Angeles Unified School District, and the Los Angeles Gay and Lesbian Center in the areas of hate crime offender evaluation and violence prevention in the schools. He has developed conferences and professional development programs in the area of multicultural education at Teachers College, Columbia University, the Veterans Administration, and the University of California, Los Angeles, and has received the American Psychological Association Distinguished Professional Contribution to Public Service Award and the California State Psychological Association Distinguished Humanitarian Contribution Award. Dunbar's commentaries have been featured in The Los Angeles Times, The American Psychological Association Monitor, The Washington Post, The Prejudice Institute Newsletter, ABC Nightline, Channel Four (UK), Vermont Public Television, NPR, and local television and radio news programs. His publications address the clinical evaluation of racism, victimology, and intergroup relations. Dunbar received his doctorate in counseling psychology from Columbia University and holds professional certificates from Georgetown University in cross-cultural training and Harvard University in adult education. He completed his undergraduate study in education and behavioral sciences at Chaminade University of Honolulu, where he graduated with honors.

Amalio Blanco, PhD, received his doctorate in psychology from the Complutense University of Madrid and his undergraduate degree in sociology from the University of St. Gallen, Switzerland. He is a Fulbright Fellow at the University of California, Los Angeles, and completed his DAAD postdoctoral fellowship at the Institute of Social Psychology at the University of Cologne, Germany. Blanco is professor of social psychology at the Autonomous University of Madrid (UAM), where he served as dean of the faculty of psychology from 1990–1998. He is formerly chair of social psychology at the University of Salamanca, technical advisor for the Office of the Ombudsman of the Autonomous Community of Madrid, and coeditor of the Journal of Social Psychology. Blanco is also honorary professor of the National University of San Marcos (Peru), the University Inca Garcilaso de la Vega (Peru), and the Universidad del Norte (Barranquilla, Colombia) as well as a member of the editorial board of several scientific publications in the field of psychology journals.

Desirée A. Crèvecoeur-MacPhail, PhD, is a social psychologist who serves as the project director for the Los Angeles County Evaluation Program (LACES) at University of California, Los Angeles, which evaluates all county funded alcohol and drug treatment programs. She has been studying hate crimes for the past nine years. She assisted in the planning and coordination of the "Hate Crimes: Research, Policy, and Action" conference sponsored by the Society for the Psychological Study of Social Issues (SPSSI), serves as a Community Review Materials Panel Member for the Centers for Disease Control (CDC) Los Angeles County Department of Health Services Office of AIDS Program and Policy, and served as guest editor for Cultural Diversity & Ethnic Minority Psychology, Journal of Psychoactive Drugs, and Journal for Interpersonal Violence. Crèvecoeur-MacPhail earned a doctorate in social psychology from Claremont Graduate University, a master's degree in clinical psychology from Pepperdine University, and completed her undergraduate education in psychology at University of California, Los Angeles.