Professor MacKenzie is a member of the Faculties of Law of the Universities of Oxford and Cambridge. At Oxford, she teaches Public International Law and serves as Dean of Degrees of Green Templeton College. At Cambridge, she teaches International Environmental and 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 with as a Legal Officer in the Australian Army. Professor MacKenzie is a Master of the Bench of Inner Temple Inn of Court of England and Wales and is a Board Member and Trustee of Vermont Law School. She earned degrees from Oxford University, London University, the Inns of Court School of Law, Sydney University and the Australian National University.