Faculty of Arts and Sciences

Mario Luis Small

Mario Luis Small

Grafstein Family Professor of Sociology
Visiting Professor of Business Administration, Harvard Business School
Director of Graduate Studies, Dept of Sociology


Research interests: networks, poverty, organizations, culture, methods, neighborhoods, and institutions.

Small is currently using large-scale administrative data to understand isolation in cities, studying how people use their networks to meet their needs, and exploring the epistemological foundations of qualitative research.

Stefanie Stantcheva

Stefanie Stantcheva

Professor of Economics


Research interests: Public economics and labor economics. Optimal design of the tax system, taking into account important labor market features, more complex social preferences, and long-term effects such as human capital acquisition and productive investments by firms. Empirical effects of taxation on inequality, incomes, human capital, and innovation.

Adaner Usmani

Adaner Usmani

Assistant Professor of Sociology and Social Studies

Research interests: Labor and social movements, crime and incarceration, quantitative and computational methods.

Mary C. Waters

Mary C. Waters

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


Research interests: Integration of immigrants and their children; the transition to adulthood for the children of immigrants; intergroup relations; the measurement and meaning of racial and ethnic identity; and the social, demographic, and psychological impact of natural disasters.

William Julius Wilson

William Julius Wilson

Lewis P. and Linda L. Geyser University Professor, Emeritus


Research interests: Sociologist. Urban poverty, neighborhoods, joblessness, concentrated disadvantage, race and inequality, and social policies to address these problems.

Christopher Winship

Christopher Winship

Diker-Tishman Professor of Sociology
Member of the Faculty, Harvard Kennedy School


Research interests: Stratification and Statistical Methods. Statistical models for causal analysis; the effects of education on mental ability; how people act when rationality is not a possibility; the linkage in Pragmatism between action and knowledge; analysis of Age-Period-Cohort models; inner city youth behavior and violence, police-community relations.

Xiang Zhou

Xiang Zhou

Associate Professor of Sociology


Research interests: Quantitative methodology, economic inequality and mobility, and contemporary Chinese society.