Eamon T. Aloyo is Assistant Professor (with permanent contract) at the Institute of Security and Global Affairs. His work sits at the intersection of international relations and political philosophy, with a focus on just war theory, the responsibility to protect (R2P), human rights, peacekeeping, and effective altruism.

More information about Eamon Aloyo

His articles have appeared in International Affairs (forthcoming), International Theory, Ethics & International Affairs, European Journal of International Security, Journal of Peace Research, Journal of Conflict Resolution, Critical Review of International Social and Political Philosophy, Ethical Theory and Moral Practice, Global Constitutionalism, Global Responsibility to Protect, Global Society, Ethics & Global Politics, Perspectives on Psychological Science, Public Affairs Quarterly, and Research & Politics. Recent work includes an experimental study on Dutch public support for armed humanitarian intervention (with Honorata Mazepus and Natália Kubalová, Research & Politics, 2024); "Ethical Exit: When Should Peacekeepers Depart?" (with Geoffrey Swenson, European Journal of International Security, 2023); "Retributive or Reparative Justice? Explaining Post-Conflict Preferences in Kenya" (with Geoff Dancy and Yvonne Dutton, Journal of Peace Research, 2023); and a forthcoming chapter on the prudential conditions of just war in Just War Theory and Likelihood of Success: Prudential Judgement, Geopolitics and Just Statecraft (Routledge, 2026). 

Aloyo received his PhD in Political Science from the University of Colorado Boulder in 2011, where he was awarded the Thomas Jefferson Award. Before joining Leiden he was Senior Researcher at The Hague Institute for Global Justice — where he co-authored the major policy assessment In the Shadow of Syria: Assessing the Obama Administration's Efforts on Mass Atrocity Prevention (2017) — and a Research Associate at the One Earth Future Foundation. His work has received support from the Netherlands Organisation for Scientific Research (NWO), George Washington University, and other funders. He is affiliated with the European Center for the Responsibility to Protect (University of Leeds) and the Global Governance Institute (Brussels).

At Leiden he has taught across the MSc International Relations and Diplomacy (MIRD) and the MSc Crisis and Security Management (CSM), and the Bachelor of Security Studies (BASS) on international relations, political theory, international security, human rights, just war theory, effective altruism, and environmental politics. 

Publications