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Associate Professor of International Law


BA in Law Studies, Faculty of Law, University of Athens; DEA in International Law, DEA in Political Science, Paris 2 University, France; PhD in International Law, Paris 2 University (Subject : «La sécurité de l’aviation civile en droit international public»). Prix de thèse of the French Society of Air and Space Law.

2018-2023, Assistant Professor of International Law, School of Law, National and Kapodistrian University of Athens, Greece; 2009-2018, Lecturer in International Law, School of Law, National and Kapodistrian University of Athens, Greece; Attorney at Law, member of the Athens Bar Association; 1/3/2019 – 31/8/2019, Visiting Professor, Institute and Centre of Air and Space Law, Faculty of Law, McGill University, Montreal, Canada; 2014-2018, Visiting Professor in Air & Space Law, Panteion University, Athens, Greece; 2014-2015, Visiting Professor in Space Law / 2022 : Guest Keynote Speaker, Université Nice Sophia Antipolis, Faculté de droit et science politique, France.

Member of the European Society of International Law; Member of the American Society of International Law; Point of contact (Greece) for the European Center of Space Law (ECSL); Member of the International Institute of Space Law (IISL); Member of the Space Law Committee of the International Law Association (ILA); Member of the Hellenic Society of International Law and International Relations (2011-2017, Member of the Board of Directors); 2017-2020, Rapporteur to the Scientific Council of the Greek Ministry of Foreign Affairs; 2016-, Member of the Greek Delegation at ICAO, UNCOPUOS (Legal Subcommittee and the Plenary) and COSPAS-SARSAT; 2008-2010, Member of the Greek Air Accident Investigation and Aviation Safety Board; 2005-2006, Legal adviser of the Minister of National Defense (Greek Government) in Air Law and International Law. 

  • Yokaris & G.D. Kyriakopoulos, International Law of Airspace, Outer Space, Nomiki Vivliothiki, Athens, 2020, 384 p. (IN GREEK).
  • G.D. Kyriakopoulos & M. Manoli (eds.), The Space Treaties at Crossroads: Considerations de lege Ferenda, Springer, 2019, 197 p.
  • Abuse of Rights in Public International Law, Nomiki Vivliothiki, Athens, 2018, 172 p. (IN GREEK).
  • Bredimas & G.D. Kyriakopoulos, Law of International Organizations, Nomiki Vivliothiki, 2016, 235 p. (IN GREEK).
  • Les actes unilatéraux des États (Essai sur la théorie et la pratiquе internationale), Ant. N. Sakkoulas/Bruylant, Athènes/Bruxelles, 2008, 149 p. (IN FRENCH).
  • La sécurité de l'aviation civile en droit international public, Athènes/Bruxelles, 1999, Avant-propos de Gilbert Guillaume, Préface de Pierre-Marie Dupuy, 542 p. (IN FRENCH).
  • M. Chatzipanagiotis & G.D. Kyriakopoulos, «‘One-stop shop’ space safety regulation: Should we do it and how?», Journal of Space Safety Engineering, 6 (2019), p. 212-218.
  • «Legal Aspects of the ICAO’s Recent Work on Environmental Protection», in University of Cyprus – Institute of International Legal Studies Prof. Ilia Krispis & Dr. Anastasia Samara-Krispi, Protecting the Environment from Human Intervention: Legal and Criminological Aspects, Sakkoulas, Athens-Thessaloniki, 2018, p. 25-38. 
  • «Legal Challenges Posed by the Action of Non-State Actors in Outer Space», in McGill Centre for Research in Air and Space Law Monograph Series V, M. Manoli & Sandy Belle Habchi (eds.), Conflicts in Space and the Rule of Law, 2018, p. 273-290. 
  • «Spaceplanes Operating in Airspace: In Search of a Regulatory Regime for Traffic Coordination», in Proceedings of the international Institute of Space Law, 2017, p. 327-340.
  • «Cyber-Attack, Cyber-Warfare: Arranging Definitions», in J.-P. Jacqué, F. Benoît-Rohmer, P. Grigoriou & M.-D. Marouda (Eds.), Liber Amicorum Stelios Perrakis, I. Sideris, Athens, 2017, p. 497-511.
  • «Formation of International Custom and the Role of Non-State Actors» in Ph. Pazartzis & M. Gavouneli (eds.), Reconceptualising the Rule of Law in Global Governance, Resources, Investment and Trade, Blumsberry, 2016, p. 43-58.
  • «Where Law Meets Cinema: James Cameron’s Avatar as Food for Thought About the Anthropocentric Nature of Space Law», in Proceedings of the international Institute of Space Law, vol. 58, 2015. 
  • «Jurisdiction and Control over Installations and Facilities Serving Space Tourism Activities», in Proceedings of the international Institute of Space Law, vol. 57, 2014, p. 445-466.
  • «Investment Issues in Situations of Military Occupation: The Case of Iraqi Oil Contracts» (in Greek), in European Centre for Research and Training on Human Rights and Humanitarian Action, Panteion University, S. Perrakis (ed.), Nothing Endures Like the Provisional: Situations of Military Occupation and International Law (in Greek), Ostria Publications, Athens, 2014, p. 177-207.
  • «The Current Legal Regulation on the Use of ASAT Weapons under International Law and Space Law», in R. Jakhu, K.-W. Chen & Y. Nyampong (eds.), McGill Centre for Research in Air and Space Law Monograph Series III, Global Space Governance, 2015, p. 599-518.
  • « Search and Rescue in Space Activities: Is There a Specific Legal Regime ? », in Proceedings of the 6th IAASS Conference: “Safety Is not an Option”, SP-715, 21-23 May 2013, Montreal, Canada.
  • « Le statut juridique des espaces maritimes de Chypre » (IN FRENCH), in J. Rossetto & K. Agapiou Joséphidès (dir.), La singularité de Chypre dans l'Union européenne : Diversité des droits et des statuts, Mare & Martin, 2012, Paris, 405p.
  • «Statut des espaces maritimes et régime juridique de la navigation aérienne » (IN FRENCH), Revue Générale de Droit International Public (RGDIP), 2001/2, p. 307-329.
  • (With Prof. A. Yokaris) « La juridiction de l'État côtier sur l'espace aérien national et international » (IN FRENCH), Revue Générale de Droit International Public (RGDIP), 1997/2, p. 493-522.


e-mail: yokygr[at]law.uoa[dot]gr