
22 Aug 2025
Tackling firearms trafficking in Latin America and the Caribbean
North America Strategic Platform on Organized Crime, UN-TOC Watch, HT-Obs
Senior Researcher, Asser Institute for International and European Law
Leon Castellanos-Jankiewicz is a senior researcher in international law at the Asser Institute for International and European Law, and supervisor of the International Law Clinic on Access to Justice for Gun Violence at the University of Amsterdam Faculty of Law. His work focuses on the human rights implications of irresponsible arms trade and the history of public and private international law.