Skip to Content
‘An innovative and progressive set that continues to be instructed in high-profile and often law-defining cases.’Chambers and Partners 2014
Prof Zachary Douglas QC

Contact: zacharydouglas@matrixlaw.co.uk Practice Manager: paulvenables@matrixlaw.co.uk

Professor Douglas is an academic member of Matrix.

Professor Zachary Douglas QC has a substantial practice before international courts and tribunals as counsel, arbitrator and expert witness, and also frequently appears before the English courts and the courts of other common law jurisdictions in cases with a public or private international law element. He is a Professor of International Law at the Graduate Institute of International and Development Studies in Geneva and was formerly a member of the Faculty of Law of Cambridge University. Zachary is recognised as a leading specialist in public international law and arbitration by Chambers and Partners and Legal 500 and received the award for International Arbitration at the 2011 Chambers and Partners Bar Awards. He is listed in the Chambers and Partners’ Top 100 UK Bar.

Zachary has been instructed by States in relation to proceedings in the International Court of Justice and the Tribunal for the Law of the Sea. He has acted as counsel in investment treaty arbitrations and commercial arbitrations under the ICC, LCIA, SCC, UNCITRAL, Swiss and ICSID Arbitration Rules and has served as an arbitrator in more than a hundred cases under the LCIA, ICC, Swiss, UNCITRAL and ICSID Rules, including as chairperson and as sole-arbitrator in more than half of those cases.

Zachary has acted as counsel in cases before the English courts and other municipal courts relating to state immunity, human rights and humanitarian law, state succession, constitutional law, challenges to investment treaty awards, private international law, civil fraud and money laundering. He has represented individuals and companies in proceedings before the European Court of Human Rights. He has also acted in dozens of cases before the Court of Arbitration for Sport, having formerly represented the International Olympic Committee.

In addition to contentious matters, Zachary has advised governments on issues of public international law (law of the sea, treaty law, international human rights, sovereign immunity, humanitarian law, state succession), arbitration legislation and constitutional reform. He has also advised multinational companies on issues of corporate social responsibility and international humanitarian law.

Zachary is fluent in Russian and French and has conducted bilingual arbitration proceedings in both languages. He is the author of one of the leading studies on investment treaty arbitration ‘The International Law of Investment Claims’ published by Cambridge University Press in 2009. Zachary was a Visiting Professor at the Université Panthéon-Assas Paris II in 2013 and a member of the Faculty for the Paris Arbitration Academy in 2014.

Zachary accepts instructions under the Bar Council Standard Contractual Terms, details of which can be found here.

Back to top