Janet R. Johnston, PhD, is a sociologist. For three decades she has specialized in research and clinical interventions with high conflict and violent divorcing families, parental alienation and family abduction of children at the Judith Wallerstein Center for the Family in Transition. As professor in justice studies at San Jose State University for the past decade, her focus has been on social policies in family and juvenile courts within the context of their communities.Vivienne Roseby, PhD, is a clinical psychologist in private practice and consulting psychologist to Families First Residential Treatment Center in Davis, California where she has pioneered a developmental treatment model for children and adolescents with histories of acute and chronic trauma.Kathryn Kuehnle, PhD, is a widely recognized expert in the assessment and treatment of sexually abused children. She has an independent practice in Tampa, Florida.