Zachary Douglas is Professor of International Law at the Graduate Institute of International and Development Studies in Geneva. He is a Barrister and Arbitrator at the Matrix Chambers in London.
Prof. Zachary Douglas QC has a substantial practice before international courts and tribunals as counsel, expert witness and arbitrator, and also frequently appears before the English courts and other national courts in cases with an international law element.
Prof. Douglas has served as an arbitrator in more than seventy cases, many of which have been investment treaty disputes. He has represented States in the International Court of Justice and other international tribunals, including in the Georgia v Russia case and the recent border dispute between Croatia and Slovenia. He has acted as counsel in cases before the English courts and other national courts relating to state immunity, human rights and humanitarian law, state succession, constitutional law, challenges to investment treaty awards and money laundering. He has also represented individuals and companies in proceedings before the European Court of Human Rights. Prof. Douglas is the author of one of the leading texts on investment treaty arbitration: “The International Law of Investment Claims”, published by Cambridge University Press.