“National Security in the Age of Pandemics,” (with Michael Hunzeker), Defense One, April 3, 2020.
“Dual-Use Life Science Research and Biosecurity in the 21st Century: Social, Technical, Policy, and Ethical Challenges.” (Reprinted in Jonathan E. Suk, Kathleen M. Vogel, and Amanda Jane Ozin, eds.), pp. 36-38, Frontiers Media SA, 2015.
“Strategic Stability in the Second Nuclear Age, Special Report No. 71.” New York: Council on Foreign Relations, 2014.
“Dual-Use Research as a Wicked Problem.” Frontiers in Public Health, Vol. 2, pp. 1-4, August 4, 2014.
“Biological Weapons and Bioterrorism.” (Simon Rushton and Jeremy Youde, eds.) In The Routledge Handbook of Global Health Security, pp. 118-129, Oxford: Routledge, 2014.
“Regime Security: A New Theory for Understanding the Proliferation of Chemical and Biological Weapons.” Contemporary Security Policy, 34(3), pp.501-525, December 2013.
“Viral Warfare: The Security Implications of Cyber and Biological Weapons.” (with Brian M. Mazanec). Comparative Strategy, 32(5), pp. 418-434, 2013.
“State-Sponsored Nuclear Proliferation: Why States Share Nuclear Weapons Technology.” Global Studies Review, 8(2), Summer 2012.
“From Biodefense to Biosecurity: The Obama Administration’s Strategy for Countering Biological Threats.” International Affairs, 88(1), pp. 131-148, 2012.
“Predicting Peril or the Peril of Prediction? Assessing the Risk of CBRN Terrorism.” Terrorism and Political Violence, 23(4), pp. 501-520, 2011.
“Modernizing the Confidence Building Measures of the Biological Weapons Convention.” (with Marie Isabelle Chevrier). Biosecurity and Bioterrorism, 9(3), pp. 1-7, 2011.