Associate Professor of Constitutional Law and Public Law at Federico II University, Naples. Visiting professor at Paris 1 Pantheon-Sorbonne. Lawyer before the Constitutional Court and the International Arbitration Courts. Delegate of the Mayor of the City of Naples for the institution of the Metropolitan Pole. Former Deputy Mayor of the Public Goods, Public Water and Participatory Democracy of Naples. Member of the Grale-Paris Scientific Committee (Research Group on Local Self-Government in Europe). President of the International Institute for Studies and Research on the Commons (Paris). Member of the « Rodotà Commission », set up by the Minister of Justice for the Amendment of the Civil Code Norms on Public Property and the introduction of the concept of the commons (2007-2008). Author of numerous books and publications on the following topics: the Organization of Powers and Functions of the State; Forms of Government; the Sources of Law and the Principle of Representation; Regionalism and Local Communities; Law, Government and Management of Public Services; Social Rights; Public Goods and Commons; the European public law of the economy.