Seth J. Prins



Seth J. Prins is an assistant professor of epidemiology and sociomedical sciences at Columbia University. He studies the collateral consequences of mass incarceration for public health, and how the division and structure of labor influence depression, anxiety, and substance use. He is the principal investigator on a K01 Mentored Research Scientist Development Award K01DA045955-01: Adolescent substance use as determinant and consequence of the school-to- prison pipeline: Disentangling individual risk, social determinants, and group disparities. 


Sandhya Kajeepeta


Sandhya Kajeepeta is a doctoral student in the Department of Epidemiology at Mailman. She was previously the Director of Research and Evaluation at the NYC Mayor's Office to End Domestic and Gender-Based Violence where she led the City's gender-based violence prevention research agenda. Her research focuses on the causes and consequences of interpersonal, community, and state violence.

Katherine Keyes




Katherine M. Keyes is an associate professor of epidemiology at the Columbia University Mailman School of Public Health. Katherine’s research focuses on life course epidemiology with particular attention to psychiatric disorders, including early origins of child and adult health and cross-generational cohort effects on substance use, mental health, and chronic disease.  She is particularly interested in the development of epidemiological theory to measure and elucidate the drivers of population health, and in methodological challenges in estimating age, period, and cohort effects. She is the author of more than 250 peer-reviewed publications, and two textbooks published by Oxford University Press: “Epidemiology Matters: A New Introduction to Methodological Foundation”, published in 2014 and “Population Health Science” published in 2016.

Pia Mauro



Pia Mauro is an Assistant Professor in the Department of Epidemiology at the Columbia University Mailman School of Public Health. Dr. Mauro focuses on substance use epidemiology, particularly individual and structural influences on substance use disorder (SUD) treatment access and utilization. In 2018, she received a Career Development Award from the National Institute on Drug Abuse entitled, “Multi-level associations between medical marijuana laws and substance use disorder treatment.” She is interested in health equity, policy, and working with marginalized populations, including people who use drugs, adolescents in drug courts, and people from racial or ethnic minority groups.

Adam Reich




Adam Reich is an associate professor of sociology at Columbia University, and a faculty affiliate at Columbia’s Interdisciplinary Center for Innovative Theory and Empirics (INCITE).  He is the author of four books, the most recent of which is Working for Respect: Community and Conflict at Walmart (Columbia, 2018).  He is also the author of several peer-reviewed articles, which have appeared in journals such as the American Journal of Sociology, Social Science & Medicine, Socio-Economic Review, and Industrial and Labor Relations Review.  His research focuses on three institutions that jointly structure the life chances and permeate the lives of millions of Americans today: the health care system, the criminal justice system, and the low-wage labor market.  In particular, he examines how these institutions shape people’s understandings of their social and economic positions, and how such understandings lead to actions that preserve but also, occasionally, unsettle the institutions themselves.

Gonzalo Martínez-Alés


Gonzalo Martínez-Alés is a doctoral student in the Department of Epidemiology at Mailman. A psychiatrist and psychoanalytic therapy specialist by training, he was previously an attending psychiatrist at La Paz University Hospital in Madrid, where he specialized in the treatment of people living with bipolar disorder. His research focuses on the social and cultural causes and consequences of suicidal behaviors and psychotic disorders.

Daniel Aldana Cohen




Daniel Aldana Cohen is an Assistant Professor of Sociology at the University of Pennsylvania, where he directs the Socio-Spatial Climate Collaborative, or (SC)2. He's also a Senior Fellow at Data for Progress. In 2018-19, he was a Member of the Institute for Advanced Study in Princeton, New Jersey. He's the co-author of A Planet to Win: Why We Need a Green Deal. He's currently completing a book project called Street Fight: Climate Change and Inequality in the 21st Century City, under contract with Princeton University Press. His research and writing have appeared in Nature, Public Culture, The International Journal of Urban and Regional Research, The Guardian, The Nation, Jacobin, Dissent, and elsewhere.

Ruth Shefner


Ruth Shefner is a doctoral student in the Department of Sociomedical Sciences at Mailman, on the sociology track, and is a predoctoral fellow in the NIDA funded T32 training program in Substance Use, HIV, and the Criminal Justice System. She was previously the Director of the Goldring Reentry Initiative, a program housed at the University of Pennsylvania's School of Social Policy and Practice that supports individuals pre- and post-release from Philadelphia's county jail system. Her research interests are focused on policing, court based interventions, collateral consequences of mass incarceration, and opportunity to apply harm reduction principles to criminal legal systems.