Research

2023. "Reducing Russia’s Oil Revenues: Does the Allied Price Cap Work?" Forthcoming in The RUSI Journal. 

2023. "Theorizing Infrastructures in Global Politics." Forthcoming in International Studies Quarterly (with Christian Bueger and Tobias Liebetrau). 

2023. “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.