Donald Holbrook is an Associate Fellow at ICCT. He also runs a research consultancy working with governments and law-enforcement on matters relating to counter-terrorism and countering violent extremism. He is an Honorary Senior Research Associate at the Department of Security and Crime Science, University College London, and a member of the RESOLVE Network Research Advisory Council, part of the United States Institue of Peace. He serves on the editorial board of the journal Terrorism and Political Violence and holds a PhD from the University of St Andrews, Scotland.