
Masahiro Matsumura
Masahiro Matsumura, Ph.D., is Professor of International Politics and National Security at St. Andrew’s University in Osaka and a 2024 ROC-MOFA Taiwan Fellow-in-Residence at the Taiwan Center for Security Studies, National Chengchi University’s Institute of International Relations
By Masahiro Matsumura Since returning to the White House in 2025, President Donald Trump has reignited one of the most controversial tools of his political and economic arsenal: tariffs. In typical fashion, he has wielded them not with nuance but with the blunt…
By Masahiro Matsumura The world is once again holding its breath. On June 13, Israel launched a sweeping surprise attack against Iran’s nuclear facilities and military infrastructure, decapitating several of Tehran’s top military leaders and nuclear experts. The strikes, unprecedented in their scope,…
By Masahiro Matsumura Since Russia’s invasion of Ukraine in 2022, Japan has aligned its foreign policy with the liberal international order, pledging support for Kyiv in the name of international justice and the rule of law. This value-based diplomacy, driven more by solidarity…
By Masahiro Matsumura In the wake of Russia’s invasion of Ukraine in February 2022, Japan, under then-Prime Minister Fumio Kishida, intensified its commitment to value-based diplomacy—championing the liberal international order and aligning itself with the U.S.-led West. This approach, rooted in Japan’s postwar…
World Geostrategic Insights interviews Masahiro Matsumura on the significance of the trilateral summit between Joe Biden with Philippine President Ferdinand Marcos and Prime Minister Fumio Kishida; the developments in Japanese rearmament; and prospects in China-U.S. relations. Masahiro Matsumura, Ph.D., is Professor of International…





