Professor MacKenzie is a member of the Faculties of Law of the Universities of Oxford and Cambridge, at both of which she teaches International Environmental Law. At Oxford, she also serves as Dean of Degrees of Green Templeton College and at Cambridge she has served as Chairman of the University Board of Scrutiny. Her jointly edited book, Law, Tropical Forests and Carbon, is published by Cambridge University Press and her monograph, International Law and the Protection of Forests, will be published by Oxford University Press. A member of the Bar of England and Wales and the High Court of Australia, she has been employed by Allen & Overy, the World Bank, the Asian Development Bank and the United Nations and served as a Legal Officer in the Australian Army. Professor MacKenzie is a Board Member and Trustee of Vermont Law School, and of the Inns of Court College of Advocacy, London. She is also a Governing Master of the Bench of the Inner Temple (Inn of Court), London and was formerly a Council Member of the Australian National University. She earned degrees from Oxford University, London University, the Inns of Court School of Law, Sydney University and the Australian National University.