JOHN S. WODARSKI, Ph.D., M.S.S.W., is a Professor of Social Work at the University of Tennessee College of Social Work. He also serves as a Senior Research Scientist with the University of Tennessee Children's Mental Health Services Research Center. Dr. Wodarski received his B.S. degree from Florida State University, the M.S.S.W degree from the University of Tennessee, and the Ph. D. from Washington University in Saint Louis. From 1993-2000 he served as the Janet B. Wattles Research Professor and Director for the Research Center and Doctoral Program of the State University of New York at Buffalo. His main interests include Child and Adolescent Health Behavior, including research on violence, substance abuse, depression, sexuality and employment. Dr. Wodarski's research experiences include multiple funded projects which form the basis for his knowledge of the use of peer structures to facilitate learning. He is currently serving as the Principal Investigator on three SAMHSA-funded grants: "HIV/AIDS and Substance Abuse Primary Prevention in Minority Adolescents," "HIV/AIDS Primary Prevention Program with Caribbean Youth," and "The Expanded Care Coordination through the Use of Health Information Technology."