Dr. Sarah Hartz is Assistant Professor of Psychiatry at Washington University in St. Louis, MO.  Dr. Hartz holds a PhD in Statistics from the University of Illinois Urbana-Champaign (2003), and she performed her residency in Psychiatry at the University of Iowa Hospitals and Clinics and Washington University/Barnes-Jewish Hospital (2005-2009).  Dr. Hartz is currently a physician scientist who has combined her background in statistics and genetics with her psychiatric training to better understand the genetics of substance dependence.  Dr. Hartz's current research interests include 1) genetics of comorbidity between substance use disorders and other severe mental illness, 2) return of genetic results to research participants, and 3) application of quantitative methodologies to addiction genetics.