Professor of Psychiatry and Human Behavior, Professor of Behavioral and Social Sciences


Suzanne Colby, Ph.D. is a Professor (Research) of Psychiatry and Human Behavior and of Behavioral and Social Sciences at Brown University. She is an Associate Director of Brown's Center for Alcohol and Addiction Studies (CAAS), where she also serves as Director of Postdoctoral Training. Dr. Colby participates in the leadership of the Brown Alcohol Research Center on HIV (ARCH). In addition to serving on the ARCH Executive Committee, Dr. Colby directs the pilot projects component and leads training initiatives for the ARCH.  

Beyond these administrative and training roles, Dr. Colby collaborates on eight other research grants funded by the National Institutes of Health (NIH). These projects include: a randomized clinical trial (RCT) for reducing heavy drinking and HIV risk in Emergency Department patients, an RCT testing the efficacy of a culturally-adapted motivational intervention for Latino heavy drinkers; and studies testing smoking interventions for adults in substance abuse treatment.

A nationally recognized expert in adolescent tobacco research, Dr. Colby has participated in numerous collaborative efforts to enhance research on and development of cessation treatments for adolescent smokers. She served for three years as an elected member of the Board of Directors of the international Society for Research on Nicotine and Tobacco (SRNT) as Member Delegate representing North American members. She has had numerous leadership positions for SRNT, including Chair of the Publications Committee, the Program Committee, and Chair of a national panel on Biochemical Verification of Adolescent Smoking.

Her recent publications have focused on the assessment and treatment of nicotine dependence in youth, adolescent substance use prevalence and diagnosis, and innovative brief interventions for substance misuse among adolescents and young adults.

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