Joël Naoki Christoph is Pugwash-Carnegie Fellow for European Security. He is a French-Japanese economist working on arms control and risk reduction. He is a Research Associate on the Graduate Programme on Existential Risks to Humanity at FernUniversität in Hagen. In 2024, Japan’s Ministry of Foreign Affairs appointed him a Youth Communicator for a World without Nuclear Weapons. In 2026, he received the Gorbachev/Shultz Youth Award from Voices for a World Free of Nuclear Weapons. He has served on the leadership team of International Student/Young Pugwash since 2023 and has written on incentive-compatible mechanisms for the next review cycle in the Pugwash-Carnegie brief on the NPT at a crossroads. He studied at University College London, Tsinghua University, and the European University Institute.