Faculty Members – Page 7 – Harvard Center for Population and Development Studies

Stephen Tollman, MBBCh MMed, MA, MPH, PhD

Associate Professor

Health and Population Division, School of Public Health, University of the Witwatersrand

Stephen Tollman is the director of MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), at the School of Public Health; and associate professor and head of the health and population division in the School of Public Health at the University of the Witwatersrand. In the context of the rapidly transitioning society of sub-Saharan Africa, Tollman is focused on better understanding the new burden of chronic diseases, and how…

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Alexander Tsai, MD, PhD

Associate Professor

Psychiatry, Harvard Medical School

Dr. Alexander Tsai is a board-certified psychiatrist at the Massachusetts General Hospital, where he is director of the Program on Social Policy and Behavioral Health at the MGH Center for Global Health. He also has academic affiliations as an associate professor of psychiatry at Harvard Medical School and associate professor in the Department of Epidemiology at the Harvard T.H. Chan School of Public Health. Through his research, he seeks to…

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Stéphane Verguet, MPP, PhD

Associate Professor

Global Health, Harvard T.H. Chan School of Public Health

Stéphane Verguet is associate professor of global health at the Harvard T.H. Chan School of Public Health. His multidisciplinary research focuses on health decision science and priority setting, particularly on the development of mathematical and computational decision-making models to better design health policies. Verguet’s research interests include health economics, cost-effectiveness analysis, equity, and health systems performance. One important area of his work focuses on the estimation of non-health benefits, particularly…

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Jocelyn Viterna, PhD

Professor

Sociology, Harvard University

Jocelyn Viterna is professor of sociology; and director of undergraduate studies in sociology at Harvard University. Her research focal areas include: gender, politics, social mobilization, reproductive health, criminalization of abortion, violence, development, and Central America. Viterna examines how social mobilization affects gender norms and practices in states, warfare, institutions, and communities, and evaluates how poor communities pursue their own development by recruiting “projects” from humanitarian organizations.

Mary C. Waters, PhD

PVK Professor of Arts and Sciences; and the John L. Loeb Professor of Sociology

Harvard University

Mary C. Waters is the PVK Professor of Arts and Sciences; and the John L. Loeb Professor of Sociology in the Department of Sociology at Harvard University. She served as the interim director of the Harvard Pop Center while Lisa Berkman was on sabbatical (2020-2021). Waters specializes in the study of immigration, inter-group relations, the formation of racial and ethnic identity among the children of immigrants, and the challenges of…

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Elissa R. Weitzman, ScD

Associate Professor

Pediatrics, Harvard Medical School

Elissa R. Weitzman is associate professor of pediatrics at Harvard Medical School, and Adolescent/Young Adult (AYA) medicine at Boston Children’s Hospital; and faculty member in the Computational Health Informatics Program (CHIP) at Boston Children’s Hospital. A social-behavioral scientist, Dr. Weitzman focuses on understanding and ameliorating adolescent and young adult health. Grounded in a bio-psychosocial model of disease and a developmental/life course perspective, her research is focused on advancing the understanding…

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David Williams, MPH, PhD

Florence Sprague Norman and Laura Smart Norman Professor of Public Health

Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health

David Williams is the Florence Sprague Norman and Laura Smart Norman Professor of Public Health; and Chair of the Department of Social and Behavioral Sciences at the Harvard T.H. Chan School of Public Health; and professor of African and African American studies and sociology at Harvard University. Williams is an internationally recognized authority on social influences on health. His research has focused on trends and determinants of socioeconomic and racial…

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Michelle Williams, SM, ScD

Joan L. and Julius H. Jacobson Professor of Epidemiology and Public Health

Harvard T.H. Chan School of Public Health

Michelle A. Williams, SM ’88, ScD ’91, is a renowned epidemiologist, an award-winning educator, and a widely recognized academic leader. She recently stepped down as Dean of the Faculty at the Harvard T.H. Chan School of Public Health after seven years, and is currently spending a sabbatical year as a Visiting Professor at Stanford University. Following her sabbatical, she will return to the Harvard Chan School as the Joan and…

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Aisha Khizar Yousafzai, PhD

Professor of Child Development and Health

Global Health and Population, Harvard T.H. Chan School of Public Health

Aisha Khizar Yousafzai, PhD, is professor of child development and health in the Department of Global Health and Population at the Harvard T.H. Chan School of Public Health. Dr. Yousafzai’s research focuses on promoting the well-being of children and the stability of families among disadvantaged and vulnerable populations in low- and middle-income countries, with a special focus on south Asia, and east and southern Africa. She examines both child development…

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Xiang Zhou, PhD

Professor

Department of Sociology, Harvard University

Xiang Zhou, PhD, is professor in the Department of Sociology at Harvard University. Dr. Zhou’s research focuses on quantitative methodology, social stratification and mobility, and contemporary Chinese society.