Francesco Ragazzi is a lecturer of International Relations. He obtained his PhD in political science from Sciences Po (Paris) and Northwestern University (Chicago). Prior to his appointment at Leiden University, he was a Research Fellow at the School of Oriental and African Studies (SOAS) in London (2008-2009). His research interests include critical approaches to diaspora politics, migration, citizenship, and security in International Relations. He serves on the editorial board of the journal Cultures & Conflits and is a founding member of the c.a.s.e. collective. His current research project—‘Security and the Politics of Belonging: Homegrown terrorism, counter-radicalization and the “end” of multiculturalism?’—explores the effects of security practices on contemporary meanings of community.