His research interests include large-scale political violence (genocide, war crimes, crimes against humanity), transitional justice, and political reconciliation. Other interests include contemporary political theory, particularly democratic and critical theory, the Frankfurt School, and feminism. He is the author of Unchopping a Tree: Reconciliation in the Aftermath of Political Violence (2009) and articles, chapters and coedited volumes on political violence and peace. Verdeja serves on the boards of the Institute for the Study of Genocide and the International Association of Genocide Scholars, a worldwide organization devoted to the study and prevention of genocide. His website is here.