Dr. Rohrbach is Assistant Professor of Research in Preventive Medicine at the Keck School of Medicine. Dr. Rohrbach conducts research on school- and community-based tobacco, alcohol, and other drug abuse prevention interventions, prediction of substance use behaviors, and theory-based evaluation of health promotion programs. Her current projects include 1) an evaluation of the California Tobacco Control Prevention and Education Program, 2) a study of gender differences in predictors of adolescent substance abuse, and 3) a study of HIV risk and protective behaviors among young women who are intravenous drug users. In the past, she has conducted research on coalitions and other community-based drug abuse prevention interventions, as well as the diffusion of effective prevention approaches. She received her B.A. in Psychology from Indiana University, her M.P.H. in Maternal and Child Health and Health Education from the University California, Los Angeles, and her Ph.D. in Health Behavior from the University of Southern California.