Skip Navigation

Lilliana Mason

LILLIANA MASON, Ph.D., is an SNF Agora Institute Associate Professor of Political Science.

She is co-author, with Nathan P. Kalmoe, of Radical American Partisanship: Mapping Violent Hostility, Its Causes, and the Consequences for Democracy (University of Chicago Press, 2022), and author of Uncivil Agreement: How Politics Became Our Identity (University of Chicago Press, 2018).

She received her Ph.D. in political psychology from Stony Brook University and her BA in politics from Princeton University. Her research on partisan identity, partisan bias, social sorting, and American social polarization has been published in journals such as American Political Science ReviewAmerican Journal of Political SciencePublic Opinion Quarterly, and Political Behavior, and featured in media outlets including the New York Timesthe Washington PostCNN, and National Public Radio.

Her work has been supported by the National Science Foundation, the Sloan Foundation, the Facebook Research Integrity Group, and the Democracy Fund.