Judge Giorgio Gaja has been a member of the International Court of Justice since 6 February 2012. Previously, he was Professor of International Law at the University of Florence (1974-2011) and Dean of the Law School (1978-1981). Judge Gaja was a Lecturer at the Hague Academy of International Law (1981 and 2011), a Part-time Professor at the European University Institute (1980 and 1984-1985), a Visiting Professor at Johns Hopkins University (1977-1978), at the University of Geneva (1983 and 1985), the University of Paris I (1989 and 2000), the  University of Aix-Marseille III (1992), the University of Michigan School of Law (1992), Columbia Law School (1996), and the Graduate Institute of International Studies (2001).

Judge Gaja was a member of the International Law Commission between 1999 and 2011 and served as the Commission’s Special Rapporteur on the Responsibility of International Organizations (2003-2011). He was a delegate of the Italian Government to the Vienna Conference on the Law of Treaties between States and International Organizations and between International Organizations (1986). He is a member of the Institut de droit international and editor of the Rivista di Diritto Internazionale. Judge Gaja is also a member of the Advisory Board of the Common Market Law Review, European Journal of International Law and Columbia Journal of European Law. He holds a degree in law of the University of Rome (1960), Libera docenza in international law (1968) and a Honorary Doctor of Law, Dickinson Law School (1985).

The Public International Law Discussion Group at the University of Oxford is a key focal point for PIL@Oxford. The PIL Discussion Group hosts a weekly speaker event and light lunch at All Souls College, Oxford. Topics involve contemporary and challenging issues in international law. Speakers include distinguished international law practitioners, academics, and legal advisers from around the world. The discussion group's meetings are part of the programme of the British Branch of the International Law Association and are supported by the Law Faculty and Oxford University Press. The group typically meets each Thursday during Oxford terms in The Old Library in All Souls College, with lunch commencing at 12:30. The speaker will commence at 12:45 and speak for about forty minutes, allowing about twenty five minutes for questions and discussion. The meeting should conclude before 2:00. Practitioners, academics and students from within and outside the University of Oxford are all welcome. No RSVP is necessary. Join the PIL Email List to receive information about the PIL Discussion Group meetings, as well as other PIL@Oxford news. Most of the seminars are available as podcasts.