Richard Jackson is Professor of Peace Studies and Director of the National Centre for Peace and Conflict Studies, University of Otago, New Zealand. He is the founding editor and Editor-in-Chief of the journal Critical Studies on Terrorism and editor of the Routledge Critical Terrorism Studies book series. His most recent publications include the Routledge Handbook of Critical Terrorism Studies (Routledge, 2016) and Confessions of a Terrorist (2014).

Daniela Pisoiu is a Senior Researcher at the Austrian Institute for International Affairs (OIIP), Vienna, Austria. She is author of Islamist Radicalisation in Europe: An Occupational Change Process (Routledge, 2011), co-author of Theories of Terrorism: An Introduction (Routledge, 2017) and editor of Arguing Counterterrorism: New Perspectives (Routledge, 2014).