Guy S Goodwin-Gill is Professor of Law at UNSW and was Acting Director of the Kaldor Centre for International Refugee Law from 2017-2018. He is also Emeritus Fellow of All Souls College, Oxford and Emeritus Professor of International Refugee Law of the University of Oxford, and he practised as a barrister from Blackstone Chambers in London from 2001-2018. He has held academic appointments in the United Kingdom, Canada and the Netherlands, and has been a Visiting Professorial Fellow at the Université Libre de Bruxelles, the Geneva Academy of International Humanitarian Law and Human Rights, and the European University Institute in Florence.

He has published widely in the areas of international refugee law, human rights law and humanitarian law, child soldiers, and free and fair elections. Professor Goodwin-Gill is a Patron of Asylum Aid in the United Kingdom, was the President of Refugee & Migrant Justice (London) for 13 years, President of the Media Appeals Board of Kosovo from 2000–03, and the Founding Editor and Editor-in-Chief of the International Journal of Refugee Law (1988–2001). Between 1976–88, he worked for UNHCR in various roles, including as Senior Legal Research Officer, Legal Adviser (Europe and North America Bureau), Deputy Chief Resettlement, and Legal Adviser (Australia and New Zealand). He obtained his BA (Honours), MA and doctorate from the University of Oxford.