Forthcoming. “State, Territory, and Sovereignty,” in: M. Bukovansky, E. Keene, M. Spanu, and C. Reus-Smit (eds.), Oxford Handbook of History and International Relations (Oxford: Oxford University Press), with J. Branch.
2022. “Maritime security and the Western Indian Ocean’s militarisation dilemma.” African Security Review, 31(2): 195-210. With C. Bueger. Pre-print.
2021. “US Strategy and the Rise of Private Maritime Security”, Security Studies 30(4): 580-604. Pre-print.
2020. “Energy and International Conflict,” in: eds. K. J. Hancock and J.E. Allison, The Oxford Handbook of Energy Politics (Oxford: Oxford University Press), with J. Colgan (online 2018).
2017. “Actor Network Theory: Objects and Actants, Networks and Narratives,” in D. R. McCarthy (ed.) Technology and World Politics: An Introduction (Abingdon: Routledge), with C. Bueger. Pre-print.
2016. “Pirates, Drugs and Navies: Why the Western Indian Ocean Needs a New Security Architecture,” RUSI Journal 161(5): 46-52, with C. Bueger.
2013. “Security Communities, Alliances and Macrosecuritization: The Practices of Counter-Piracy Governance,” in: M. J. Struett, M. T. Nance and J. D. Carlson (eds.) Piracy and the Construction of Maritime Governance (London: Routledge): 99-123, with C. Bueger.
2011. “Pirates, Fishermen and Peacebuilding: Options for a Sustainable Counter-Piracy Strategy in Somalia,” Contemporary Security Policy, 32(2): 356-81, with C. Bueger and S. Werthes.