The Summer School on Public International Law

Professor Emeritus of Tallinn University. Since 1995 he is a Member of the Institut de Droit International. In 2013, in Tokyo, he was elected President of the Institut de Droit International. He was First Deputy Foreign Minister of Estonia and a Member of the UN Human Rights Committee. In 1994-2009 – Professor and Chair of international law at King’s College London. He taught at The Hague Academy of International Law. Author of 13 books on international law and politics and more than 200 articles and reviews.

Professor Emeritus of the State University of Milano. He was a judge of the International Tribunal for the Law of the Sea (currently judge ad hoc in The M/V “Norstar” Case, Panama v. Italy) and President of its Seabed Disputes Chamber. He was a counsel of different states in international courts and tribunals. Consultant to various governments and international organizations. Member of the Curatorium of The Hague Academy of International Law since 2010. He taught at the Academy. Member of many learned societies including l’Institut de Droit International. Author of numerous books and articles on international law, including on the international courts and tribunals.

A member of the UN International Law Commission where he is a Special Rapporteur on “Identification of customary international law”. He is a Senior Fellow of the Lauterpacht Centre for International Law, University of Cambridge. He is a barrister at 20 Essex Street, London, where he practices in the field of public international law, including many cases before international courts and tribunals. He was Legal Adviser to the UK’s Foreign and Commonwealth Office between 1999 and 2006, having joined as an Assistant Legal Adviser in 1970. Author of numerous books and articles, including on international customary international law

Professor of International Law at the Graduate Institute of International and Development Studies in Geneva. He is Titular Member of l’Institut de Droit International and its Secretary General. Has been a legal counsel and advocate for a number of states before international courts and tribunals. He also acts as an arbitrator in ICSID and UNCITRAL cases. Author of many publications in the field of international law, including on the law of treaties.

Professor of international law at University Paris Nanterre. He is Director of the Centre de droit international (CEDIN) and the secretary general of the French Branch of the International Law Association (ILA). Author of numerous publications on general international law, investment arbitration and international sports law.

Professor of international law. In 1992-2016 he was a senior staff member of the Constitutional Court of the Russian Federation. From 2009 to 2015 he was a judge at the UN International Criminal Tribunals for Rwanda and a judge at the Appeals Chamber of the UN International Criminal Tribunals for Rwanda and for the former Yugoslavia. Member of Committee Against Torture (since 2018). He taught at the Hague Academy of International Law, Diplomatic Academy of the Russian Foreign Ministry and other higher education establishments in Russia and abroad. Author of multiple publications in the field of international law, including on international law in constitutional jurisdiction.