Valentin Grangier is a French student of International Relations at Leiden University, currently on exchange at the University of Tokyo. Specialising in East Asia and the Indo-Pacific, he focuses on geopolitics, security, and regional dynamics, analysing power interplay, ASEAN’s role, and shifting alliances. Passionate about Japan and proficient in intermediate Japanese, he blends constructivist, realist, liberal, and democratic perspectives to explore the region’s political, economic, and security challenges.