Dr Constantinos Yiallourides is Senior Lecturer (Tenured Assoc.Prof.) in International Law at the Macquarie School of Law, Deputy Director of the Centre of Environmental Law (CEL) and co-lead of the University's CCUS Stream, Transforming Energy Markets (TEM) Research Centre. He is concurrently Senior Research Fellow in Law of the Sea at the British Institute of International and Comparative Law (BIICL), where he leads the Institute's research and training in the law of the sea and energy law.

He was previously a tenured Lecturer in International Law at the University of Aberdeen (Scotland, UK), a Postdoctoral Researcher in Energy Law and Public Policy at the University of Tokyo, and a Visiting Researcher at Waseda University (Japan) and the University of Hamburg (Germany).

Dr Yiallourides' research focuses on the law of territory, the law of the sea, environmental and natural resources law and the peaceful settlement of international disputes. His research has been funded by a variety of organisations, including the UK Arts & Humanities Research Council (AHRC), the British Academy, the Japan Society for the Promotion of Science (JSPS), the UK Research & Innovation (UKRI), the German Academic Exchange Service (DAAD), as well as private and third-sector organisations.

Dr Yiallourides has provided advice and training to governments, international organisations, and other entities on a broad set of issues of international law. He is the recipient of the International Law Association 2021 Scholarship Award, an award offered to selected scholars with proven excellence in international law.

His books include Maritime Disputes and International Law: Disputed Waters and Seabed Resources in Asia and Europe (Routledge, 2019) and International Fisheries Law: Persistent and Emerging Challenges (Routledge, 2025, with Prof Bjørn Kunoy and Judge Tomas Heidar).

Dr Yiallourides’ scholarly works include:

• 'Joint Development in the Energy Transition' (Offshore Energy Law, Hart  2025)
• ‘Maritime Boundaries in the Energy Transition’ (J. Energy & Nat. Resources, 2024)
• ‘The Lebanon-Israel 2022 Maritime Boundary Agreement’ (Ocean Yearbook, 2024)
• ‘The Place of Non-Aggravation in the Peaceful Settlement of Territorial and Maritime Disputes’ (KMI Int. J. Marit. Aff. Fish., 2023)
• ‘Maritime Boundaries & Cooperation over Straddling Seabed Resources in the Eastern Mediterranean Sea’ (Oil & Gas Law, Elgar 2022).

Other selected publications can be accessed on SSRN / ORCID.

LAWS2000 - International Law
LAWS8015 - International Law
LAWS5086 - Law of the Sea
LAWS8092 - Law of the Sea