Former Fellows

Yves Jeanty, Ph.D., MPH Post Doctoral Fellow

unnamed (1)Dr. Jeanty received his Doctorate in Epidemiology (’11), Master of Public Health (’99), and Baccalaureate (’96) from the University of Miami. He was responsible for the direction of several multidisciplinary research studies focused on the prevention of new HIV infections among at-risk populations and improving the health status of the medically underserved, including persons living with HIV/AIDS (PLWHA), persons dually-diagnosed with mental illness and drug use disorders and incarcerated populations. Most recently, Dr. Jeanty served as an Associate Director with Gilead Sciences, Inc. in Government Affairs where he established and funded collaborative partnerships with healthcare organizations to routinize HIV testing in Miami-Dade County, FL in alignment with the Centers for Disease Control and Prevention’s expanded HIV testing policy. Prior to this position, he was responsible for the oversight of a multi-site, longitudinal, clinical drug trial assessing the efficacy of HIV pre-exposure prophylaxis to prevent new HIV infection among high-risk, men who have sex with men. Dr. Jeanty’s current research interests include how policies in the criminal justice system impact the prevention and/or treatment of HIV and HCV infection among incarcerated and recently paroled populations. Dr. Jeanty is currently Director of Data and Technology at the Mental Health Innovation Lab at the NYC Dept of Health and Mental Hygiene.

Phillip Marotta Pre Doctoral Fellow

Screen Shot 2014-07-15 at 2.06.54 PMPhil Marotta holds a Master of Public Health (Population and Family Health) and a Master of Science in Social Work from Columbia University. After graduating from Columbia University, he completed a post-MSW clinical training fellowship through Yale University School of Medicine, Department of Psychiatry where he worked with persons with serious mental illness in acute psychiatric crises. He has worked on research projects for the Center for Latino and Adolescent Family Health at New York University, the Department of Population and Family Health at Mailman School of Public Health, Rutgers University School of Criminal Justice, the Urban Justice Center, the Mayors Office to Combat Domestic Violence, and the Yale University Violence and Health Group. His most recent position was interim director for two juvenile justice programs through the Center for Court Innovation on Staten Island, NY. Phil Marotta is interested in developing and evaluating programs that incorporate law enforcement officers into public health interventions for vulnerable populations. As a trained Crisis Intervention Team Clinician, this includes research into encounters between law enforcement officers and persons with severe mental illness, substance use disorders and dual diagnosis. Broadly, his research is situated at the intersection of stigma, mental illness, substance abuse and HIV-risk among incarcerated and justice-involved populations. Phil was recently awarded a NIDA funded F31 grant Criminal justice involvement and HIV Risks among migrant and non-migrant market workers in Barakholka Market, Almaty Kazakhstan.


Ciara A. Torres, Ph.D. Post Doctoral Fellow

Dr. Torres received her B.S. in Biology (’07) from the Universidad de Puerto Rico, followed by an M.A. (’09) and M.Phil. (’10) in Cellular, Molecular and Biomedical Studies, and a Ph.D. (’14) in the area of Neuropharmacology from Columbia University. Dr. Torres’ previous research focused on understanding the molecular effects of recreational drugs in laboratory animals. She now aims to expand her knowledge by studying women who use drugs and the contextual factors (e.g., HIV and socioeconomic status, culture, and race) that mediate consequences related to drug use.



Alexandra Wimberly, Ph.D Post Doctoral Fellow

Dr. Wimberly’s research focuses on the development of interventions that support the health and well-being of people with substance use problems in the criminal justice system. Most recently she conducted a yoga intervention study for people with HIV who are in reentry from prison or jail and have substance use problems, funded by a NIDA F31 grant. Alexandra has her Ph.D. in social welfare from the University of Pennsylvania School of Social Policy & Practice. She received her master’s in public health from Harvard, her master’s in social work from Simmons, and her bachelor’s in art studio from UCLA. She is currently an Assistant Professor at the University of Maryland School of Social Work.




Seth J. Prins, Ph.D. MPH Post Doctoral Fellow

SethPrinsDr. Prins received his doctorate in epidemiology (2016) and master in public health (2010) from Columbia University. He received a bachelor of arts from McGill University (2004). Dr. Prins is a psychiatric and social epidemiologist who studies the medicalization of crime, the criminalization of mental illness, and the effects of relational social processes such as class, race, and gender on mood disorders. His dissertation tested the methodological and conceptual assumptions of criminogenic risk assessment in the criminal justice system. Prior to his doctoral training, Dr. Prins was a senior policy analyst at the Council of State Governments Justice Center, where he worked on local, state, and national projects to improve collaboration between criminal justice and mental health systems. He is Assistant Professor of Epidemiology and Sociomedical Sciences at Columbia University.