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Judge Konrad Jan Marciniak

Member of the Tribunal since 1 October 2023

Born: Warsaw, Poland, 24 November 1982.

Education: Master in Law, Cardinal Stefan Wyszynski University in Warsaw (2006); Bohdan Winiarski Scholarship at the Lauterpacht Centre for International Law, Cambridge University (2009); Ph.D. in International Law, Cardinal Stefan Wyszynski University in Warsaw (2014).

Professional Experience: Treaty and Legal Department, Ministry of Foreign Affairs, Poland: senior expert on the law of the sea and environmental law (2007-2014), Deputy Director (Deputy Legal Adviser) (2014-2019), Director (Legal Adviser) (2019-2023); Vice-President to the Bureau of the BBNJ Intergovernmental Conference on an international legally binding instrument under the United Nations Convention on the Law of the Sea (2018-2023); Head of the Polish delegation to the EU Working Parties on Public International Law (COJUR; 2019-2023) and on the Law of the Sea (COMAR; 2007-2023) (Chair of the Group in 2011); Head of the Polish delegation to the Council of Europe Committee of Legal Advisors on Public International Law (CAHDI); Co-chair of the Antarctic Working Group of the Polish Intergovernmental Polar Policy Committee.

Nominations: Conciliator under Article 2 of Annex V to the Convention; Arbitrator under Article 2 of Annex VII to the Convention; Arbitrator designated pursuant to Article 2(4) of the Schedule to the Protocol on Environmental Protection to the Antarctic Treaty.

Academic Experience: Visiting Professor at the Queen Mary University of London, School of Law (since 2025); Assistant Lecturer at the Law Faculty, Cardinal Stefan Wyszynski University, Warsaw (2006-2016); Guest lecturer at: World Maritime University (Malmo) (since 2025); Kadir Has International Law of the Sea Summer Academy (since 2025); Portuguese Institute of the Law of the Sea (IPDM) Law of the Sea Summer School (since 2024); Philippine International Law of the Sea Academy (since 2024); IMO International Maritime Law Institute (IMLI) (Malta) (since 2023); ITLOS/Nippon Foundation Capacity Building and Training Programme on Dispute Settlement under UNCLOS (2007-present); Collegium Civitas University in Warsaw, Polish National School of Public Administration; and Polish Diplomatic Academy.

Member: Warsaw Bar; European Society of International Law (ESIL); International Law Association (ILA, Polish Branch); ILA Committee Submarine Cables and Pipelines under International Law; Maritime Law Committee of the Polish Academy of Sciences.

Publications: UN Convention on the Law of the Sea of 1982. On the Fifteenth Anniversary of Its Entry into Force, C. Mik, K. Marciniak (eds.), Toruń: TNOiK, 2009 (in Polish); “Legal Status of Marine Genetic Resources in the International Law of the Sea”, in: C. Mik, K. Marciniak (eds.), UN Convention on the Law of the Sea of 1982. On the Fifteenth Anniversary of its Entry into Force, Toruń: TNOiK, 2009 (in Polish); “The Protection of Fundamental Rights in the External Relations of the EU”, in: C. Mik, K. Gałka (eds.), Fundamental Rights in the Law and Practice of the European Union, Toruń, 2009 (in Polish); “Humanitarization of Armed Conflicts at Sea”, in: T. Jasudowicz, M. Balcerzak, J. Kapelańska-Pręgowska (eds.), Contemporary Problems of International Human Rights and International Humanitarian Law, Toruń: TNOiK, 2009 (in Polish); “External Aspects of the EU Maritime Transport Policy”, in: C. Mik, Ł. Kułaga (eds.), External Aspects of the European Union’s Economic Policy, Toruń: TNOiK, 2010 (in Polish);  “Ocean iron fertilization”, Prawo Morskie, Vol. XXVII (2011) (in Polish); “International Law on Piracy and Some Current Challenges Related to its Definition”, Polish Review of International and European Law, Vol. 3-4/2012;  “Modern Challenges to the United Nations Convention on the Law of the Sea: The Legal Status of Marine Genetic Resources in Areas Beyond National Jurisdiction”, in: D. Pyć, J. Puszkarski (eds.), Global Ocean Governance: From Vision to Action, Poznań: Wyd. Ars boni et aequi, 2014; “Arbitration from the Perspective of the Historical Development of International Law”, in: C. Mik (ed.), Arbitration in International Law, Warsaw: C.H. Beck, 2014 (in Polish); “Marine Biological Diversity in Areas Beyond National Jurisdiction: Selected Problems with the Application of Intellectual Property Regime (TRIPS)”, Prawo Morskie, Vol. XXIX (in Polish); 5 entries in: The Great Encyclopedia of Law, Vol. IV: Public International Law, Warsaw: Wyd. Fundacja “Ubi societas, ibi ius”, 2014 (in Polish); Marine genetic resources in international law, Warsaw: C.H. Beck, 2016 (in Polish); “The Polish Baselines and Contiguous Zone: Remarks from the Perspective of the United Nations Convention on the Law of the Sea”, Prawo Morskie, Vol. XXXII (2016); The Antarctic Treaty: Selected documents with introduction (co-ed.), Warsaw, 2017 (in Polish); “Marine Genetic Resources: Do They Form Part of the Common Heritage Principle?”, in: L. Martin, C. Salonidis (eds.), Natural Resources and the Law of the Sea, Juris 2017;  “United Nations and international law of the sea: The past, the present, the future”, in: E. Cała-Wacinkiewicz, J. Menkes et al (eds.), The System of the United Nations from the Polish Perspective, Warsaw: C.H. Beck, 2017 (in Polish); “New implementing agreement under UNCLOS: A threat or an opportunity for fisheries governance?”, Marine Policy, Vol. 86 (2017); “The Antarctic Treaty System: Remarks from the International Law Perspective”, in: The Antarctic Treaty. Selected documents with introduction, Warsaw, 2017 (in Polish); “Polish Maritime Territory and Polish Jurisdiction within its Maritime Zones”, in: C. Mik, Ł. Kułaga (eds.), The Law of the Polish External Relations, Toruń: TNOiK 2018 (in Polish); “Climate Change as a common concern of humankind. Modern international law regulations, including in particular the Paris Agreement”, in: E. Cała-Wacinkiewicz, J. Menkes et al. (eds.), Common values of international, European and national law, Warsaw: C.H. Beck, 2018 (in Polish); 100 Years of the Polish Treaty Practice. Vol. II: Articles and Documents (co-ed.), Warsaw, 2020 (in Polish); “Statute on international agreements: Remarks on the occasion of its 20th anniversary of entry into force and of the 100th anniversary of the Polish treaty practice”, in: 100 years of the Polish Treaty Practice, Vol. II, Warsaw, 2020 (in Polish); 100 Years of the Polish Treaty Practice. Vol. I: Overview of the Polish treaty record on the basis of concluded agreements and internal law (co-ed.), Warsaw, 2020 (in Polish); “Legal Status of Marine Genetic Resources in the Context of BBNJ Negotiations: Diverse Legal Regimes and Related Problems”, in: T. Heidar (ed.), New Knowledge and Changing Circumstances in the Law of the Sea, Brill, 2020; “The development of international law on the protection of underwater cultural heritage: Remarks on the occasion of Poland’s accession to the 2001 UNESCO Convention”, The Polish Yearbook of International Law, No. XL (2021); “Tacit acceptance procedure in conventions concluded under the auspices of the International Maritime Organization: Aspects of international and Polish law”, Gdańskie Studia Prawnicze, No 3/55 (2022) (in Polish); and “Settlement of disputes before the International Tribunal for the Law of the Sea (ITLOS)”, in: Joanna Gomula, Stephan Wittich and Markus Stemeseder (eds.) Research Handbook on International Procedural Law, Elgar online, 2024; K.J. Marciniak, A. Broggiato, J. Gobin, Marine Genetic Resources, in: J. Mossop, D. Freestone (eds), The Agreement on Marine Biodiversity in Areas beyond National Jurisdiction: Commentary and Analysis, Oxford University Press 2025, pp. 83-151; K.J. Marciniak, High Tide for Human Rights: Some Reflections from the Perspective of the Law of the Sea, ASCOMARE Yearbook on the Law of the Sea, Vol. IV (2025), pp. 31-88; and K.J. Marciniak, The 2023 Agreement under the United Nations Convention on the Law of the Sea on the Conservation and Sustainable Use of Marine Biological Diversity of Areas beyond National Jurisdiction – preliminary analysis [in Polish], Prawo Morskie, vol. XLVI (2024), pp. 9-85.