Ezequiel Heffes is the Director of Watchlist on Children and Armed Conflict in New York. Prior to joining Watchlist, he worked for Geneva Call, a humanitarian NGO that promotes respect of humanitarian norms by armed groups and de facto authorities for over six years, and for the International Committee of the Red Cross in Colombia, Afghanistan and the Democratic Republic of the Congo. He holds a PhD from the University of Leiden (Grotius Centre for International Legal Studies), an LL.M. in IHL and Human Rights from the Geneva Academy, and a law degree from the University of Buenos Aires School of Law. Ezequiel has participated in different research projects and has widely published on different international law issues. He was a Visiting Researcher at Georgetown University (2022), and is a Senior Fellow at its Center on Ethics and the Legal Profession. Ezequiel is also an associate of the Centre for Applied Human Rights of the University of York (UK). He is the author of Detention by Non-State Armed Groups under International Law (Cambridge University Press, 2022) and the co-editor of International Humanitarian Law and Non-State Actors. Debates, Law and Practice (T.M.C. Asser/Springer, 2020) and of Armed Groups and International Law. In the Shadowland between Legality and Illegality (Edward Elgar, Forthcoming).Read more about this authorRead less about this author