Dr. Ekaterina Antsygina served as a Postdoctoral Fellow at the Faculty of Law, University of Hamburg (2021–2024), where she researched on ocean governance and the protection of the marine environment. Her research interests focus on the law of the sea, public international law, and international environmental law, with an emphasis on their practical application. Dr. Antsygina holds a Ph.D. in public international law from Queen’s University, Canada (2021). Her doctoral research addressed delimitation scenarios for overlapping extended continental shelves of Canada, Denmark, and Russia in the Arctic Ocean. During her Ph.D. studies, she conducted research at the Max Planck Institute Luxembourg for Procedural Law, the Scandinavian Institute of Maritime Law, and The International Institute for Applied Systems Analysis. She also interned at the International Tribunal for the Law of the Sea. In 2022, Dr. Antsygina co-organized the international workshop, “Dynamics of the Constitution for the Oceans: UNCLOS at 40,” together with Professor Alexander Proelss and ITLOS Vice-President Tomas Heidar. Dr. Antsygina is licensed to practice law in Russia and the State of New York.