Donald Dutton received his PhD in psychology from the University of Toronto in 1970. After receiving training as a group therapist at the Cold Mountain Institute, he co-founded the Assaultive Husbands Project in 1979, a court-mandated treatment program for men convicted of wife assault. He has published over a hundred papers and five books, including the Domestic Assault of Women (Vancouver: University of British Columbia Press, 1995), The Batterer: A Psychological Profile (New York: Basic Books, 1995), The Abusive Personality (New York: Guilford Press, 2006), Rethinking Domestic Violence (Vancouver: University of British Columbia Press, 2006), and The Psychology of Genocide, Massacres, and Extreme Violence (Santa Barbara: Praeger Security International, 2007). The Batterer has been translated into French, Spanish, Dutch, Japanese, and Polish. Don Dutton has frequently served as an expert witness in civil trials involving intimate abuse and in criminal trials involving violence. He is currently professor of psychology at the University of British Columbia.