Victoria M. Esses is professor of psychology at the University of Western Ontario. Her areas of research include intergroup relations, prejudice, and discrimination, with a special interest in attitudes toward immigrants and immigration. She also conducts research on mood and social processes and on the structure of political attitudes. Esses is currently associate editor of Personality and Social Psychology Bulletin and of Group Processes and Intergroup Relations. She has also served on the editorial board of Journal of Personality and Social Psychology and of the Canadian Journal of Behavioral Science. Esses is a fellow of the American Psychological Association and is currently a council member of the Society for the Psychological Study of Social Issues.

John F. Dovidio holds an MA and PhD in social psychology from the University of Delaware. He is a Charles A. Dana Professor of Psychology at Colgate University, where he is currently Interim Provost and Dean of the Faculty, and he has previously served as director of the Division of University Studies and Director of the Division of Natural Sciences and Mathematics. Dovidio has been editor of Personalty and Social Psychology Bulletin and is currently associate editor of Group Processes and Intergroup Relations and editor-elect of Journal of Personality and Social Psychology-Interpersonal Relations and Group Processes. He is a fellow of the American Psychological Association and of the American Psychological Society. He has also served as president of the Society for the Psychological Study of Social Issues and chair of the executive committee of the Society for the Experimental Social Psychology. Dovidio's research interests are in improving intergroup relations; stereotyping, prejudice, and discrimination; social power and nonverbal communication; and altruism and helping.

Kenneth L. Dion is a professor of psychology at the University of Toronto. He is presently a consulting editor for the Journal of Personality and Social Psychology and the Personality and Social Psychology Bulletin. He is a fellow of the American Psychological Association, the American Psychological Society, and the Canadian Psychological Association. He received the 2001 Donald O. Hebb Award from the Canadian Psychological Association for distinguished contributions to psychology as a science. His research interests include the social psychology of prejudice and discrimination and ethnicity and intergroup processes, as well as immigration and acculturation.