Georgios has a broad practice covering inter-State, investment, and commercial disputes. He has represented States, international organisations, and private parties in more than 70 disputes; and is regularly sought out to act as co-arbitrator and presiding arbitrator.

He has extensive experience leading cases in international arbitral institutions and inter-State courts and tribunals. He has published extensively on international law and international arbitration, including the well-known monographs Procedural Law in International Arbitration and UNCITRAL Arbitration. Georgios was centrally involved in the revision of the UNCITRAL Arbitration Rules and the new international arbitration statute for Greece (now in the process of public consultation); is a visiting professor at the Universities of Bern and Fribourg in Switzerland; and is the current rapporteur of the ILA International Arbitration Committee.

Chambers notes that Georgios “boasts considerable expertise in both investor-state and commercial arbitration,” has “superb advocacy skills,” and has “first-rate knowledge of international law and is always a very pleasant person to work with.” He is recognised by The Legal 500 as a “Leading Individual” in Public International Law and by Who’s Who Legal as a “Global Elite Thought Leader” in arbitration.