Dr. Cleo Anne A. Calimbahin is a Professor of Political Science specializing in elections, corruption, and democracy studies in the Department of Political Science and Development Studies at De La Salle University-Manila. She completed her PhD at the University of Wisconsin-Madison as a Fulbright Fellow.

Among her publications are 'Mapping the Philippines' Defective Democracy with Julio Teehankee and  ‘Democratic Backsliding in the Philippines: Are Voters Becoming Illiberal?’ with Yuko Kasuya. She co-edited the book, Patronage Democracy in the Philippines: Clans, Clients and Competition in Local Elections. The book received the 2024 Outstanding Book Award in the Social Sciences from the National Academy of Science and Technology (NAST).