Philippa Webb

Philippa Webb is Professor of Public International Law at the Blavatnik School of Government, University of Oxford and a Fellow of Exeter College. She is Co-founder and Director of the Oxford Institute of Technology and Justice. She is also a barrister at Twenty Essex and has appeared in the International Court of Justice, the International Tribunal for the Law of the Sea, the European Court of Human Rights and the UK Supreme Court. Philippa’s research interests span all of Public International Law, with particular expertise in international dispute settlement, human rights, international organizations law, international humanitarian law and international criminal law. In 2025, she was elected to the Institut de droit international, whose membership comprises the world’s 132 leading international lawyers. Her publications include: Freedom of Speech in International Law (2024, chapters on insulting speech and false speech, Amal Clooney & Lord David Neuberger KC, eds), The Right to a Fair Trial in International Law (2021, with Amal Clooney) Oppenheim’s International Law: United Nations (2017, with Dame Rosalyn Higgins GBE KC, D Akande, S Sivakumaran and J Sloan), The Law of State Immunity(2015, with Lady Fox KC), and International Judicial Integration and Fragmentation (2012, 2015).