He has over 30 years of experience evaluating and treating female, male, adolescent, and adult victims and/or perpetrators of interpersonal violence. He has performed hundreds of forensic evaluations and testified as an expert witness in state, federal, or military court in cases of murder, rape, assault, domestic violence, and child sexual abuse. He has served as director, consultant, or trainer on several research, demonstration, and training projects funded by the Department of Health, Education and Welfare; National Institute of Mental Health; National Center for Child Advocacy; Office of Education; National Institute of Justice; Office for Victims of Crimes; and the Federal Bureau of Investigation.