1. Professor of psychiatry in the Washington University School of Medicine in St. Louis, Missouri
2. Associate professor and associate director of the Comorbidity and Addictions Center in the George Warren Brown School of Social Work, Washington University and associate professor of psychiatry in the School of Medicine
3. Doctoral candidate and NIMH predoctoral trainee in the George Warren Brown School of Social Work
4. Joint appointment at the Treatment Research Institute and the Department of Psychiatry, School of Medicine, University of Pennsylvania, Philadelphia
5. A professor in the Department of Mathematics with a joint appointment in the Division of Biostatistics, Washington University