Richard Van Dorn is a Senior Research Associate at Policy Research Associates, Inc. where he is involved in research, technical assistance, and training. He received his PhD from the University of North Carolina at Chapel Hill and completed an NIMH Post-Doctoral program at Duke University’s Medical School, in the Department of Psychiatry and Behavioral Sciences. Dr. Van Dorn serves as principal and co-investigator on a number of foundation-, pharmaceutical-, state-, and federally-funded studies. He was principal investigator (PI) of the recently completed Violence and Victimization in Adults with Mental Illness (R01 MH093426), Improving the Analysis of Psychopharmacological Adherence Data (R03 MH103477), Treating Co-occurring Substance Use and Mental Disorders Among Jail Inmates (R34 DA036791), and Longitudinal Substance Use Trajectories for Persons with Schizophrenia (R03 DA030850) studies. His experience and interests include mental illness and substance use epidemiology broadly and treatment outcomes, including criminal justice involvement, for these conditions specifically. Dr. Van Dorn has authored more than 100 peer-reviewed journal articles on substance use, mental illness, criminal justice, and violence and victimization. Dr. Van Dorn’s statistical and methodological expertise includes latent variable measurement models, integrative data analysis, longitudinal data analysis, latent variable mixture models, treatment outcome studies, implementation science, and use of secondary administrative data sources.