A head shot of Yvonne McDermott Ree

Professor Yvonne McDermott Rees

Professor, Law

Welsh language proficiency

Intermediate Welsh Speaker
Office - 045
Ground Floor
Richard Price Building
Singleton Campus
Available For Postgraduate Supervision


Yvonne joined the Hillary Rodham Clinton School of Law in September 2017, having previously been a Senior Lecturer in Law at Bangor University. She has also worked for the Irish Department of Foreign Affairs, and as a consultant to the United Nations High Commissioner for Refugees (UNHCR), United Nations Office of Internal Oversight Services (OIOS), and the Organisation for Security and Co-operation in Europe (OSCE). Yvonne holds undergraduate law degrees from the National University of Ireland, Galway, an LL.M. (cum laude) in Public International Law from Leiden University, and a Ph.D. from the Irish Centre for Human Rights. Her doctoral thesis was awarded the Special Mention of the Rene Cassin Thesis Prize 2014 and was later published by Oxford University Press as Fairness in International Criminal Trials in 2016. She is an Academic Bencher at the Honourable Society of the Inner Temple, and a Legal Advisor to the Global Legal Action Network (GLAN).

Areas Of Expertise

  • International criminal law
  • Evidence and proof
  • Human rights
  • Fair trial rights

Career Highlights


Yvonne's research interests are in international criminal law and procedure, evidence, and human rights. Her latest monograph, Proving International Crimes will be published by Oxford University Press in 2024. Yvonne currently serves as Principal Investigator on the TRUE project, selected for funding by the European Research Council (ERC), which explores the impact of deepfakes on trust in user-generated evidence of human rights violations. Prior to establishing TRUE, she was PI on a large multidisciplinary project funded by the Economic and Social Research Council (ESRC), which examined the use of open source evidence for human rights fact-finding.

As well as publishing in leading journals (including the American Journal of International LawLeiden Journal of International LawJournal of International Criminal JusticeInternational Criminal Law Review and Law, Probability, and Risk) and edited volumes, Yvonne is keen to communicate her research to a wider audience. She has been interviewed by BBC Radio 4’s Today and PM programmes, The Guardian, Washington Post, BBC Radio Wales, Raidio na Gaeltachta, and RTE Radio 1.