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).
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.
Political and criminal violence; social movements; human rights; transitional justice; ethnic and indigenous politics
- Editorial Board Best Paper Award from Comparative Political Studies for 2018 coauthored article, "Why Did Drug Cartels Go to War in Mexico? Subnational Party Alternation, the Breakdown of Criminal Protection, and the Onset of Large-Scale Violence."
- Honorable Mention, Best Article Published in 2014 from the Collective Behavior and Social Movements Section of the American Sociological Association (ASA) for the article, "The Ballot and the Street: An Electoral Theory of Social Protest in Autocracies," Perspectives on Politics 12, 2 (2014)
Trejo and Ley Publish on Criminal Violence in Mexico
Aug 24, 2017
Faculty Fellow Guillermo Trejo and former Visiting Fellow Sandra Ley have published a new article in Comparative Political Studies.
Scholar of Religion in Politics Engages with Kellogg at Many Levels
Jun 15, 2017
“I want to understand how citizens can help to make democracy better,” says Visiting Fellow Amy Erica Smith. A political scientist with expertise in Latin American and Brazilian politics, she focuses her work on mass political behavior.