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Dr. Maria A. Gwynn, MJur (Oxon)

Dr. Maria A. Gwynn, MJur (Oxon) joined the Institute for Public International Law in October 2018.

She is also an international arbitrator of the Court of Arbitration for Sports (CAS) and a Senior Research Associate at the Global Economic Governance Programme, Blavatnik School of Government, University of Oxford.

She advices governments and companies, and she has served as member of the Governing Council of ITAIPU (2019-2023), appointed by decree of the President of Paraguay. She was also Professor of the Strategic Studies Institute of Paraguay, and a member of the Paraguayan National Climate Change Commission. She was a delegate of the Republic of Paraguay and ITAIPU at the COP 26, COP 27, the World Water Forum, the World Energy Council, and multiple other international fora. She was selected for the UN Global Compact Leaders Summit 2022 and at the UN Water Conference 2023 was a keynote speaker for the dialogue on Water Cooperation. Previously, she was an Oxford-Princeton Global Leaders Fellow (2016-2018): Post-doctoral Research Fellow at the Blavatnik School of Government and SCR Research Associate, University College, University of Oxford (2017-2018); and at the Woodrow Wilson School of Public and International Affairs, Princeton University, USA (2016-2017). She was also a Member of the CAS Ad Hoc Division for the Olympic Winter Games Beijing 2022.

She holds a PhD magna cum laude from the Bergische Universität Wuppertal, Germany; a Magister Juris from the Law Faculty, University of Oxford, UK; and an LLB-Honours degree from the Faculty of Law, National University of Asuncion, Paraguay, as well as various postgraduate degrees, among them a Directed Studies Diploma from The Hague Academy of International Law, and an International Arbitration Diploma from the College of Law of England and Wales. She is the author of several books and articles in international journals.

Her areas of interest are international law, international relations, and international arbitration. She focuses on diverse areas such as shared natural resources (especially international water law); renewable energy and climate change; international treaties; the international investment framework; international dispute settlement mechanisms, international arbitration; and international sports law.

For more details, see her CV here.  


LinkedIn linkedin.com/in/dr-maría-antonia-gwynn-1b6578b

Facebook https://www.facebook.com/maria.a.gwynn/

Twitter @MAGgwg

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List of Publications


  • (2019) "Adapting Watercourse Agreements to Developments in International Law: The Case of the Itaipu Treaty" (Abstract)
  • (2016) “Power in the International Investment Framework” Palgrave Macmillan. UK. (Abstract)
  • (2007) “Contratos Internacionales para el sector Privado” Editorial El Lector. Asuncion- Paraguay.
  •  “Bilateral Investment Treaties of South American Countries and their Consequences at the International Level” Publication with Bergische Universität Wuppertal, Germany, 2015.

Book Chapters

  • (2024) “Settlement of Water-Related Disputes in International Law” In (eds) Russell Buchan Daniel Franchini Nicholas Tsagourias. The Changing Character of International Dispute Settlement: Challenges and Prospects. Cambridge University Press.
  • (Forthcoming) "La Adaptación de Tratados sobre Usos de Ríos Internacionales - para Producción de Energía Hidroeléctrica - al Derecho International". In (eds) Miguel Carter. Itaipu. Causa Nacional. La Riqueza Energética Perdida del Paraguay. De Caras a la Revisión del 2023. Editorial Intercontinental, Paraguay.
  • Gwynn, Maria A (2017) “Susan Strange: Trade as a Secondary Structure”. Book Chapter in German language. In: Handelspolitik und Welthandel in der Internationalen Politischen Okonomie (ed Holger Janusch). Springer VS. Read English version.


Oxford Global Economic Governance Working Paper Preprints

Other contributions

  • Public Consultation for the European Union on modalities for investment protection and Investor State Dispute Settlement (ISDS) in the Transatlantic, Trade and Investment Partnership (TTIP), 2014.
  • World Bank Publications, Doing Business. World Bank Publishing 2007, 2009, 2010.
  • International Bar Association, Anti-Money Laundering Forum (Paraguay Chapter). Last updated. 27/05/2014


Institut für Völkerrecht
Adenauerallee 24-42
D-53113 Bonn
Tel: +49 (0) 15124504801
Email: maria.gwynn[AT]uni-bonn.de