I am an associate professor of Government at Georgetown University.

Masket, Seth and Hans Noel. 2021. Political Parties. New York: W.W. Norton & Company.
Blum, Rachel and Hans Noel. 2025. Cooperating Factions: A Network Analysis of Party Divisions in U.S. Presidential Nominations. New York: Cambridge University Press.

My research interests are in political parties and ideology, principally but not limited to the United States. This includes work on measuring and assessing the role of ideology in coalition building and partisan conflict, on the role of parties in especially presidential nomination politics, and on understanding parties as networks of policy demanders.