Dirk Kruijt is Professor Emeritus of Development Studies at Utrecht University, and currently is a research fellow at the Centre for Military Studies (CEMIS) at Stellenbosch University, South Africa, and at the Centro de Estudios Internacionais (CEI) at the Instituto Universitário de Lisboa (ISCTE-IUL). He has published about military governments and revolutions; insurgency and counterinsurgency; and urban violence and non-state armed actors. His two most recent publications are Ethnography as Risky Business: Field Research in Violent and Sensitive Contexts (2019, Kees Koonings, Dirk Kruijt, and Dennis Rodgers, eds.), Defence Diplomacy and National Security Strategy: Views from the Global South (2020, Liebenberg, Kruijt and Paranjpe, eds.), and Latin American Guerrilla Movements: Origins, Evolution, Outcomes (2020, Dirk Kruijt, Eduardo Rey Tristán, and Alberto Martín Álvarez, eds.). Kees Koonings is Professor of Anthropology of Development and Conflict in the Department of Cultural Anthropology at Utrecht University and Professor of Brazilian Studies at the Centre for Latin American Research and Documentation (CEDLA), University of Amsterdam. His research interests are urban development, citizenship and social exclusion in Latin American cities, conflict and violence in Brazil, Colombia and Central America. Two of his recent publications are Brazil Under the Workers' Party (2014, Fabio de Castro, Kees Koonings, and Marianne Wiesebron, eds.) and Ethnography as Risky Business: Field Research in Violent and Sensitive Contexts (2019, Kees Koonings, Dirk Kruijt, and Dennis Rodgers, eds.).