Tahir Abbas is Professor of Radicalisation Studies at the Institute of Security and Global Affairs at Leiden UniversityTahir Abbas, FRSA FAcSS, is a Professor of Radicalisation Studies at the Institute of Security and Global Affairs at Leiden University in The Hague, as well as an Honorary Professor at the Institute of Arab and Islamic Studies at the University of Exeter. He was the Scientific Coordinator of the European Commission (EC)-funded H2020 DRIVE project, which is exploring radicalisation and social exclusion in northwest Europe (Jan 21–Jun 24). He is also the Principal Investigator of the EC-funded PROTONE project, which explores ways in which to protect religious places of worship in Europe (Apr 23–Feb 25). He was a Reader (Associate Professor) in Sociology at the University of Birmingham (2003–2010) and a Professor of Sociology at Istanbul University (2010–2016). He was also a Senior Research Officer in the UK government (2001–2003) and a Senior Research Fellow at the Royal United Services Institute (2016–2018). His recent books are Global Counter-Terrorism: A Decolonial Approach (co-ed., with S. Dutta and S.I. Bergh, Manchester University Press, 2025, forthcoming) and Ethnicity, Religion, and Education in the UK (co-ed., with K. Iqbal, Routledge, 2024). He is a sociologist with nearly thirty years of experience and the author of numerous single-authored and co-authored monographs; editor and co-editor of several books and special editions; and author and co-author of scores of peer-reviewed scientific papers, book chapters, encyclopaedia entries, and book reviews in the areas of sociology, politics, Islamic studies, and critical terrorism studies, specifically various forms of 'radicalisation', extremism, and political violence. He is a Fellow of both the Academy of Social Sciences and the Royal Society of Arts. www.tahir-abbas.com