His research interests are located at the intersection of technology, security, and political sociology of global mobility regimes. In particular, he focuses on practices, technologies, and materialities of border security and mobility. His recent research appears in Comparative European Politics, European Journal of Social Theory, Environment and Planning D: Society and Space, the Review of International Studies, Critical Studies on Security, Millennium Journal of International Studies, Global Governance and International Political Sociology. He is also the co-editor of Research Methods in Critical Security Studies: An Introduction with Mark B. Salter (Routledge 2013).