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Expert Bio

Primary Area of Expertise

Family Law & Divorce

Expert Witness Profile

John Hamel, Ph.D., LCSW, provides case consultation and expert witness testimony on the subject of domestic violence to criminal and family law attorneys, bringing with him a quarter century of clinical experience and a comprehensive understanding of the latest, cutting-edge research. He has a Masters in Social Welfare from U.C.L.A., and a Ph.D. from the University of Central Lancashire, U.K. Dr. Hamel works with family violence perpetrators and victims, and is a court-approved provider of batterer intervention and parent programs in the Greater San Francisco Bay Area. He is currently Editor-in-Chief of the peer-reviewed journal, Partner Abuse, a well-known trainer and speaker, and the author and editor of several books, including the groundbreaking Gender-Inclusive Treatment of Intimate Partner Abuse, 2nd Edition: Evidence-Based Approaches (Springer 2014), and the upcoming Gender and domestic violence: Contemporary legal practice and intervention reforms. (Oxford University Press, 2022). His 35+ published research articles and book chapters have investigated such topics as female perpetrators and male victims; judicial system responses to domestic violence, including false arrests and "dominant aggressor" laws; domestic violence homicides and the "battered woman" defense; the impact of domestic violence on children, and domestic violence and parental alienation in disputed child custody cases.