Guillermo Trejo is professor of political science at the University of Notre Dame, faculty fellow at the Kellogg Institute for International Studies, and Director and Principal Investigator at the Notre Dame Violence and Transitional Justice Lab (V-TJLab). He has been a Kellogg Institute faculty fellow since 2012.

Trejo’s research focuses on political and criminal violence, social movements, human rights and transitional justice in Latin America.

He is the co-author of Votes, Drugs, and Violence: The Political Logic of Criminal Wars in Mexico (with Sandra Ley, Cambridge University Press, 2020) and the author of Popular Movements in Autocracies: Religion, Repression, and Indigenous Collective Action in Mexico (Cambridge University Press, 2012). His work has been published in the American Political Science Review, British Journal of Political Science, Comparative Political Studies, Journal of Peace Research, Latin American Research Review, Perspectives on Politics, and Política y Gobierno, among other journals.

Trejo is the recipient of six international awards, including among others, the Editorial Board Best Article Award (Comparative Political Studies, 2019), an honorary mention for the Charles Tilly Award for Best Book in Collective Behavior and Social Movements (American Sociological Association, 2013), and the Jack Walker Award for Best Article in Political Parties and Organizations (American Political Science Association, 2010). He is a regular contributor to Animal Político and El País.

Thematic Interests

Political and criminal violence; social movements; human rights; transitional justice; ethnic and indigenous politics


Journal Articles


Book Chapters

Other Accomplishments & Recognitions