Professor Tanzi holds the chair of international law at the University of Bologna (2006 - ongoing).
His other appointments include: visiting professor Université Paris II, Panthéon Assas (2018); visiting professor Queen Mary University of London (2014 - 2016); professor at the University of Verona (1999 - 2006); visiting professor at the University of Perugia (1990 - 1999); Director of studies at the Hague Academy of International Law (1997).
A 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.
Professional activities: counsel and arbitrator in inter-state and investor-state cases on investment law, law of the sea, environmental law, jurisdictional immunities and law of international organizations.
Main fields of interest: public international law, international investment law, international environmental law and international water law.
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).
"Speech on jurisdiction of the International Tribunal for the Law of the Sea in the The “Enrica Lexie” Incident (Italy v. India; ITLOS Case No. 24; provisional measures)" (10 August 2015): available on YoutTube.
"Speech on Italy's Second round of oral pleadings in The M/V "Norstar" Case (Panama v. Italia; ITLOS Case No. 25)" (15 September 2018): available on YouTube.
"The Ne Ultra Petita Principle and International Investment Arbitration" (Investment Treaty Forum; Wilmer Cutler Pickering Hale and Dorr LLP, 25 January 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.