Reinier Bergema

Strategic Analyst

Reinier Bergema is a Strategic Analyst at HCSS. He holds a dual Master’s degree in Political Science (International Relations) and Public Administration (Crisis and Security Management), both from Leiden University. His research interests include, inter alia, radicalization, (jihadist) foreign fighters, and terrorism.


More specifically, Reinier has conducted research on Dutch jihadist foreign fighters, travelling to Syria and Iraq since the violent escalation of the conflict in 2011, combining both quantitative and qualitative research methods. Part of this research involved the setup of a (quantitative) database, consisting of over 220 Dutch jihadists who remain(ed) in Syria and Iraq, as well as the development of an interactive monitor, the Jihadist Foreign Fighter Monitor (JihFFMON).


Despite this specific interest, Reinier has been involved in a wide range of research projects on various contemporary issues in national and international security for a variety of clients, including, but not limited to, the (Netherlands) Ministry of Foreign Affairs, the Ministry of Interior and Kingdom Relations, the Ministry of Defense, the National Police, EUROPOL, and NATO.


Furthermore, Reinier serves as the Internship Coordinator, being responsible for the HCSS Internship Program. In addition to his work at HCSS, he is an assistant editor at the editorial team of the Perspectives on Terrorism journal and a member of the General Board of the JASON Institute. Prior to HCSS, Reinier was a Research Assistant at the Centre for Terrorism and Counterterrorism of Leiden University, The Hague.

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