Richard Dembo is a Professor of Criminology at the University of South Florida. 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 300 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 Substance Use and Misuse, Violence, Aggression and Terrorism, 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 youth in a variety of settings and in applying research technology to social problems. He designed and completed two large-scale, NIDA funded, multi-year experimental, longitudinal service delivery projects: (1) a Family Empowerment Intervention involving high risk youth and their families, and (2) a brief intervention service for truant youth and their families. He was a major party in the development of the Hillsborough County Juvenile Assessment Center (JAC), and an innovative Health Coach service for youth entering the JAC. As part of his ongoing research support of the JAC, he has conducted large scale recidivism analyses involving JAC youth, and youth involved in the Health Coach service. He has a long term, productive relationship with the Florida Dept. of Juvenile Justice. He possesses significant data analysis skills, reflected in publications in top criminology journals, involving diverse multivariate modeling procedures.