Phd in Political Science of the University of Florence, is Associate Professor of Political Science at the University of Naples Federico II and Professor of Political Concepts for the Phd course of the Scuola Normale di Pisa.  He is currently member of the Editorial Board of the Italian Political Science Review, and he serves in the Executive Board of Federica WebLearning, Center for Innovation and Dissemination of Distance Learning His main research interests include the study of government, presidential politics, political parties, concept analysis and new media. Among his recent publications the volumes Governi monocratici. La svolta presidenziale nelle regioni italiane (Bologna, Il Mulino, 2009) and Il premier diviso. Italia tra presidenzialismo e parlamentarismo (Milan, Bocconi, 2012), and fifty book chapters and articles published in peer review journal such as European Political Science Review, Representation, Contemporary Italian Politics, Rivista Italiana di Scienza Politica, Quaderni di Scienza Politica.