Christine E. Grella, Ph.D., is Professor-in-Residence in the Department of Psychiatry and Biobehavioral Sciences at the University of California, Los Angeles and Co-Director of the UCLA Integrated Substance Abuse Programs (ISAP). She received her doctorate in Social Psychology from the University of California, Santa Cruz in 1985. Dr. Grella conducts research on substance use and treatment outcomes among youth and adults, with a particular focus on women and gender differences. Her research has examined service access, utilization, and outcomes of participation in multiple service delivery systems, including substance use disorder treatment, mental health, child welfare, health services, HIV services, and criminal justice. She has led several longitudinal cohort studies, conducted over a dozen evaluation studies of treatment interventions for individuals with substance use and/or mental health disorders, and conducted epidemiological studies using national survey data on treatment need and utilization. The findings from her research have been widely published in the areas of addiction, mental health, health services, and evaluation research. Dr. Grella also serves as a reviewer for NIH/NIDA and on several advisory boards for community organizations and foundations.