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)
Kellogg Reunión 2021
Democratic Transitions and Large-Scale Criminal Violence with Political Scientist Guillermo Trejo (Transiciones democráticas y violencia criminal de larga escala con el politólogo Guillermo Trejo)
Mar 27, 2023
Trejo Explains Mexico’s Trust in Elections
Sep 22, 2022
Faculty Fellow Guillermo Trejo was interviewed about Mexico’s trust in their electoral system.
Trejo and Ley Book Receives Donna Lee Van Cott Award
Jan 29, 2022
"Votes, Drugs, and Violence: The Political Logic of Criminal Wars in Mexico," a book by Kellogg Faculty Fellow Guillermo Trejo and former Kellogg Visiting Fellow Sandra Ley, has been awarded the Donna Lee Van Cott Best Book Award by the Section on Political Institutions of the Latin American Studies Association (LASA).