Books
Islands of Stability: Bounded Rule and the Creation of Regional Security and Development in Fragile States. Manuscript under consideration by Cambridge University Press.
The Power of Dependence: NATO-UN Cooperation in Crisis Management. Oxford University Press, 2015.
Academic Articles & Book Chapters
Defusing Weaponized Interdependence: A New Approach to Measuring Country Reliability. Joint Force Quarterly 117 (with Shaun Lee), 2nd Quarter 2025.
Bounded Rule and Regional Stability in Fragile States. Journal of Politics 86(1): 321–336 (with Kevin K. Troy), January 2024.
International Courts and Public Opinion. Journal of Common Market Studies 57(5): 1091–1110 (with Vladislav Maksimov), September 2019.
Resource Dependence Theory. In Rafael Biermann and Joachim Koops (eds.), Palgrave Handbook on Inter-Organizational Relations in Global Politics (with Rafael Biermann), 2017.
Policy-Oriented Work
From Restraint to Readiness? Germany Considers Conscription. War on the Rocks, December 30, 2025.
Featured on War on the Rocks‘ podcast “Transforming a Generation: How to Strengthen German Defense,” January 29, 2026.
Germany’s Turning Point: Two Years into Strategic Pivot, Progress Made Bodes Well for the US, NATO and the World. The Conversation, April 15, 2024.
How Missing Data Can Make the Global Fragility Strategy Work. United States Institute of Peace (with Calin Trenkov-Wermuth), May 20, 2021.
Is the Pandemic Decreasing State Capacity?. Epicenter, Harvard Weatherhead Center for International Affairs (with Alexandra Norris), May 20, 2021.
Afghans Don’t Need U.S. Troops. They Need Islands of Stability. Foreign Policy (with Taylor Whitsell), April 20, 2021.
Peacekeeping During Pandemics: How the UN Can Be Part of the Solution. IPI Global Observatory (with Tyler Y. Headley and Alexandra Novosseloff), June 3, 2020.
Measuring State Fragility: A New Approach to Identifying and Strengthening Vulnerable Countries. Epicenter, Harvard Weatherhead Center for International Affairs, October 2, 2020.
Europe Struck Down Its Data Deal with the U.S. Facebook, Other Companies Are in Trouble. Washington Post (with Vladislav Maksimov and David B. Ramsey), July 17, 2020.
As the U.S. Gets More Involved in Somalia, Beware These Three Fallacies. Washington Post (with Maximilian M. Meduna and Teresa Krug), July 18, 2017.
A Better Approach to Statebuilding: Lessons From “Islands of Stability”. Foreign Affairs, January 2017.
Life After Genocide: Comparing Bosnia and Rwanda. Foreign Affairs (with Tyler Y. Headley), July 2015.
On the Road to Disengagement? Envisioning a Long-Term Strategy for Afghanistan and Pakistan. Fondation pour la Recherche Stratégique / Johns Hopkins University (with Hannes Ebert and Lindsay P. Cohn), June 2012.
Making More Out of Less: How NATO States Can Seize the Opportunities of Shrinking Resources in Afghanistan. ETH Zürich International Relations and Security Network (with Scott Seward Smith), July 24, 2012.
NATO and the UN: Partnership with Potential?. SWP Research Paper, Stiftung Wissenschaft und Politik, January 2012.
NATO and the UN in Afghanistan: Partners or Competitors?. In Brooke A. Smith-Windsor (ed.), The UN and NATO: Forward from the Joint Declaration, NATO Defense College, May 2011.
NATO and the UN. Survival 51(2): 5–12 (with Johannes Varwick), April–May 2009.
NATO-UN Cooperation Revisited: A New Dawn?. Studia Diplomatica 62(3): 29–36 (with Johannes Varwick), 2009.
An Inundation of Envoys. ETH Zürich International Relations and Security Network (with Thomas Ruttig), February 24, 2009.
EU Split on Kosovo Independence. ETH Zürich International Relations and Security Network, October 13, 2008.