Tahir Abbas holds a PhD in Ethnic Relations from the University of Warwick. He is currently Professor of Criminology and Global Justice at Aston University. His research explores the governance of extremism, the regulation of religious diversity, and the intersections between policy and everyday urban life. His most recent publication is Capitalism, State Power, and the Production of Extremism (Springer Nature, 2025).Lianne Vostermans holds a PhD in International Relations from the University of Durham. She is currently a Senior Advisor at OpenHorizon and a Research Affiliate at Leiden University. Her research critically examines the relationship between religion and violence, with particular attention to the intersections of micro-, meso-, and macro-level mobilisation. She is the author of the forthcoming book Beyond Faith and Fury: Rethinking ‘Religious Violence’ in the Lebanese Civil War (1975–1990) (I.B. Tauris, 2026).Richard McNeil-Willson holds a PhD in Middle Eastern Studies from the University of Exeter, and is Lecturer at the Islamic and Middle Eastern Studies department, University of Edinburgh. His works focuses on critical approaches to extremism, as well as counterterror policy and law. Recent work includes the Routledge Handbook of Violent Extremism and Resilience (with Anna Triandafyllidou, 2023).