Ms Ruth Mackenzie


Ruth Mackenzie is Reader in International Law, with expertise in international environmental and natural resources law, law of the sea, and the law and policy of international courts and tribunals. She currently teaches LL.M modules on Peaceful Settlement of International Disputes, International Environmental Law, and International Energy and Climate Change Law, and also on the LL.B module International Law and Global Justice.  Ruth is the Law School representative on the College Research Ethics Committee (Liberal Arts and Sciences).

Ruth has held research grants from the European Commission's Seventh Framework programme ( Impact of International Courts on Domestic Criminal Procedures in Mass Atrocity Cases – DOMAC) and the Department for International Development (Globalisation and the International Governance on Modern Biotechnology). She has acted as a consultant to the United Nations Environment Programme and the United Nations University Institute of Advanced Studies on issues related to biodiversity and biotechnology, and is a member of the IUCN Commission on Environmental Law. Ruth  acts as co-editor of the Oxford University Press monograph series on International Courts and Tribunals. Prior to joining Westminster Law School, she was Principal Research Fellow and Deputy Director at the Centre for International Courts and Tribunals at University College London, and Director of the Biodiversity and Marine Resources programme at the Foundation for International Environmental Law and Development.

 Ruth is a member of the AHRC Peer Review College (2022-25).


International law

International courts and tribunals

International environmental law, particularly biodiversity and protection of the marine environment.


  • International Law at Westminster
  • Climate Change, Energy Policy and Sustainability