Professor of Contemporary History at the Complutense University of Madrid. His line of research revolves around the social history of violence in Spain, which he has developed in the beginnings of the liberal state, the Civil War, the Franco regime and the transition to democracy. He was awarded the City of Alcalá Historical Research Prize 2003-2005. He teaches the subject “Dictatorships and Memories of the 20th century” in the Master’s Degree in Contemporary History. Principal Researcher of the Project “Madrid, 1936-1939: capital, front, rearguard and city at war”. Director of the Civil War and Francoism Research Group (GIGEFRA) and co-director of the journal Cuadernos de Historia Contemporánea.