Dr. Stitzer is a research psychologist and Professor in the Department of Psychiatry and Behavioral Sciences at Johns Hopkins University School of Medicine. At JHU, she conducts clinical research at the Behavioral Pharmacology Research Unit, a nationally recognized drug abuse research laboratory. Her extensive grant-supported research program has focused on both pharmacological and behavioral approaches to the treatment of substance abuse and reflects active research interests in both illicit drug abuse and tobacco dependence. She has published over 200 scientific papers, and co-edited a book on methadone treatment. She is well known for her work on contingent incentive approaches in substance abuse treatment, which are designed to enhance motivation for positive behavior change including abstinence from drugs. She has been the recipient of numerous federal research grants and several awards for outstanding contributions to behavioral science research. She currently heads the Mid Atlantic Node of the National Institute on Drug Abuse Clinical Trials Network, a project in which researchers and clinicians are working together to test validated treatment methods in community clinics and disseminate these methods into service delivery.