Richard Dembo is a Professor of Criminology at the University of South Florida in Tampa. He received his Ph.D. in sociology from New York University. He has conducted extensive research on the relationship between drug use and delinquency; has published three books and over 180 articles, book chapters and reports in the fields of criminology, substance use, mental health, and program evaluation; and has guest edited five special issues of journals addressing the problem of drug misuse. He is a member of the editorial boards of The International Journal of the Addictions (renamed Substance Use and Misuse), Violence, Aggression and Terrorism, the Journal of Drug Issues, the Journal of Child and Adolescent Substance Abuse, the Journal of Offender Rehabilitation, and Neurobehavioral HIV Medicine. He has served as a consultant to the National Institute of Justice, the Office of Juvenile Justice and Delinquency Prevention, the National Institute on Drug Abuse, the National Institute of Mental Health, the Center for Substance Abuse Treatment, the Office of Substance Abuse Prevention, and the National Science Foundation; and is a reviewer of manuscripts for numerous professional journals. He is Past-Chair of the American Sociological Association Section on Alcohol and Drugs. He has extensive experience working with troubled youths in a variety of settings and in applying research technology to social problems. He recently completed a NIDA funded experimental, longitudinal service delivery project designed to implement and test a Family Empowerment Intervention involving high risk youth and their families. He is currently involved in: (1) a NIDA funded truancy intervention project, (2) a Research Center as part of the NIDA, National Criminal Justice Drug Abuse Treatment Research Studies (CJDATS-2) Cooperative Agreement initiative, and (3) a NIDA-funded multidisciplinary Research Core Center (P30 grant) focusing on research into co-occurring mental health and substance use disorders within the justice system. He is also involved in the Casey Foundation, Juvenile Detention Alternatives Initiative in Hillsborough County. He helped develop the Hillsborough County Juvenile Assessment Center in Tampa, and supports JAC operations by: (1) completing special research studies, and (2) developing, implementing and evaluating the impact of innovative service delivery projects for youth processed at the JAC and their families. He has been a major party in the flow of millions of dollars in federal, state and local funds into the University of South Florida and the Tampa Bay area for various research and service delivery projects addressing the needs of high risk youth, their families and their surrounding communities.