Leonardo Bandarra is a senior researcher at the Institute for Development and Peace at the University of Duisburg–Essen, Germany, working on nuclear verification, trust, and perspectives from the Global South as part of VeSPoTec, a research consortium funded by the German Federal Ministry of Research, Technology and Space. He is also a director of the Middle East Treaty Organization (METO). He holds a PhD in social sciences from the University of Göttingen, in collaboration with the German Institute for Global and Regional Studies (GIGA); an MA and BA in international relations from the University of Brasília; and a university diploma in international nuclear law from the University of Montpellier in France. He is the author of Constructing the Nuclear Non-proliferation Regime: The Participation Puzzle (Palgrave McMillan, 2024).