Lilliana Mason

Lilliana Mason is an SNF Agora Institute Associate Professor of Political Science at Johns Hopkins University. She is co-author, with Nathan P. Kalmoe, of Radical American Partisanship: Mapping Violent Hostility, Its Causes, and the Consequences for Democracy and author of Uncivil Agreement: How Politics Became Our Identity. Her research on partisan identity, social sorting, and American attitudes about political violence has been published in top political science journals and featured in media outlets including the New York Times, the Washington Post, CNN, and BBC. She is a member of the 2024 class of Carnegie fellows.