Research

2023. "Reducing Russia’s Oil Revenues: Does the Allied Price Cap Work?" The RUSI Journal 158(5): 34-42. https://doi.org/10.1080/03071847.2023.2276303

2023. "Theorizing Infrastructures in Global Politics." International Studies Quarterly 67(4) with Christian Bueger and Tobias Liebetrau. https://doi.org/10.1093/isq/sqad101. 

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. https://doi.org/10.1093/oxfordhb/9780198873457.013.12 

2022. “Maritime security and the Western Indian Ocean’s militarisation dilemma.” African Security Review, 31(2): 195-210. With C. Bueger. https://doi.org/10.1080/10246029.2022.2053556 Pre-print. 

2021. “US Strategy and the Rise of Private Maritime Security”, Security Studies 30(4): 580-604. https://doi.org/10.1080/09636412.2021.1976821. 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). https://doi.org/10.1093/oxfordhb/9780190861360.013.11 

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.