Professor Tanzi holds the chair of international law at the University of Bologna. His other current and previous appointments include: visiting professor at Queen Mary University, professor at the University of Verona, visiting professor at the University of Perugia, director of studies at the Hague Academy of International Law, member of the Permanent Court of Arbitration, conciliator at the Court of Conciliation and Arbitration of the Organization for Security and Co-operation in Europe, chairman of the Implementation Committee of the UNECE Water Convention and legal consultant to Italy’s Ministry of Foreign Affairs. On several occasions, he was a member of Italy’s delegation to the Sixth Committee (Legal) of the U.N. General Assembly. Professor Tanzi acts as counsel and arbitrator in inter-state cases and as arbitrator investment treaty cases. He has also acted as an expert on public international law in various proceedings.
Professor Tanzi’s main fields of interest are public international law, international investment law, international water law and international environmental law. His areas of research and practice include natural resources law, investment law, environmental law, dispute settlement, State responsibility and liability, jurisdictional immunities, law of international organizations.
Professor Tanzi is the author of a number of books, including International Investment Law and Arbitration: an Introductory Casebook (2013, CEDAM), Introduzione al Diritto Internazionale Contemporaneo (2016 (5° ed.), CEDAM), The Consolidation of international Water Law. A Comparative Analysis of the UN and UNECE Water Conventions (2017, Editoriale Scientifica) and International Law: A Concise Introduction (2017, Bonomo).
"The Ne Ultra Petita Principle and International Investment Arbitration" (Investment Treaty Forum; Wilmer Cutler Pickering Hale and Dorr LLP, 25 Jan 2018): Part I and Part II available on YouTube.
"The Prevention And Settlement Of Hydroelectric Industry Related Disputes Under International Law: A Multi-Layered Approach" (ESIL Lecture; King's College London, 5 April 2018): available on YouTube.