Her research interests include regime transition, political institutions, and Southeast Asia (especially the Philippines). She is the author of Presidential Bandwagon: Parties and Party Systems in the Philippines (Anvil, 2008), Comparative Politics (Minerva Publishing, in Japanese, 2014), and the editor of Decolonization and Regime Change in Asia: Historical Origins of Democracy and Dictatorship (Hakusuisha, in Japanese, 2022). She holds a Ph.D. in International Affairs from the University of California, San Diego, an M.A. in Development Studies from the Institute of Social Studies (Netherlands), and a B.A. in Law from Keio University. She was a visiting scholar at Stanford’s Center for Democracy, Development, and the Rule of Law (CDDRL) from 2010 to 2011. She is President-Elect of the International Political Science Association from 2023 to 2025.