Former university researcher (since 1991), associate professor (since 1998) and subsequently Full Professor (since 2001), currently teaches Constitutional Law, Comparative Public Law and European and Comparative Constitutional Law at the University of Messina, Department of Law.

Since July 2013, he has been Pro-rector of the University of Messina with responsibility for “legality, transparency and administrative processes” and, since July 2015, has been a member of the “Strategic discussion group on European policies and affairs” at the Department of European Policies of the Presidency of the Council of Ministers.

He practises law, in particular in the field of administrative law and constitutional justice, with specific experience in public contracts, construction industry and urban planning, environment, independent administrative authorities and the health sector.