Identification of Customary International Law

Sir Michael Wood is a barrister at Twenty Essex, London, where he practises in the field of public international law, including before international courts and tribunals. He was Legal Adviser to the United Kingdom’s Foreign and Commonwealth Office between 1999 and 2006, having joined as an Assistant Legal Adviser in 1970. He was a member of the UN International Law Commission from 2008 to 2022, and its Special Rapporteur on the topic ‘Identification of customary international law’. He is an Honorary Fellow of the Lauterpacht Centre for International Law, University of Cambridge.

Dr Omri Sender is Partner and Chair of the Public International Law Practice Group at S. Horowitz & Co, acting as counsel and advisor to States, international organizations, and multinational corporations on issues covering the full range of public international law. He has particular experience representing and advising States in international dispute settlement proceedings, including before the International Court of Justice. He previously served as Counsel at the World Bank, as Legal Assistant at the United Nations International Law Commission, and as Law Clerk to the Chief Justice of the Supreme Court of Israel.