Pierre Thévenin is a researcher at SIPRI’s European Security Programme and an international technical expert for Expertise France. He joined SIPRI in May 2025 as part of a collaboration scheme between SIPRI and the French Ministry of Foreign Affairs. His current research interests revolve around maritime security, Russia and its projection of power across maritime spaces, with a special focus on the Arctic Ocean, as well as the Baltic and Black Seas. He is currently working on a monograph on Russia’s practice of the law of the sea.
Before joining SIPRI, Pierre was a doctoral and postdoctoral fellow at the University of Tartu in Estonia where he researched and analysed Russia’s practice of the law of the sea. Since 2022, Pierre has advised various ministries and organizations on law of the sea matters.
International law, law of the sea, maritime security, foreign legal policy
Russia, Russian Arctic, Baltic Sea, Black and Azov Sea, Caspian Sea, Pacific Ocean, Sea of Okhotsk
PhD, Law, University of Tartu
MPhil, Russian and Eastern European Studies, University of Oxford
BA, International Relations and International Law, Université du Québec à Montréal