Professor of Tax and Finance Law, University of Seville (Catedratico de Derecho Tributario y Financiero, "Universidad de Sevilla")
Professor of Tax Law, "University of Teramo"
Professor of Tax Law, "Sapienza University of Parma"
Professor of Tax Law, "University of Palermo"
Professor of Tax Law, "University of L'Aquila"
Professor of Science of Finance, "University of Reggio Calabria"
Professor of Tax Law, "University of Salerno"
Professor of Science of Finance, "Sapienza University of Rome"
Professor of Tax Law, "University of Milan"
Professor of Tax Law, "University of Valencia"
Professor of Administrative Law, "Sapienza University of Rome"
Professor of Tax Law, "University of Siena"
Professor of Tax Law, "University of Ferrara"
Professor of Tax Law, "University of Messina"
Professor of Tax Law, "Sapienza University of Rome"
Professor of Business Economics, "Sapienza University of Rome"
Professor of Tax and Finance Law, University of Salamanca (Catedratico de Derecho Tributario y Financiero, "Universidad de Salamanca")
Professor of Economics - "University of Connecticut - USA"
Professor of Science of Finance, "Rome Tre University"
Catedratico, "Universidad de Jaén"
Professor of Comparative Tax Law – "University of Maastricht - The Netherlands"
Professor of Tax Law – "Rome Tre University"
Professor of Tax Law Panthéon Assas University Paris II (Professeur de Droit Fiscal, "Université Panthéon Assas Paris II")
Professor of Tax Law,"University LUISS Guido Carli"
Catedrática di Diritto Finanziario e Tributario nell’Università di Castilla – La Mancha
Professor of Tax Law,"University of Calabria"
Professor of Tax Law, "University of Udine"
Professor of Tax Law, "University of Insubria"
Professor of Tax Law, "University of Salerno"
Professor of Tax and Finance Law, University of Barcelona (Catedratico de Derecho Tributario y Financiero, "Universidad de Barcelona")
Professor of Tax Law, "University of Palermo"
Professor of Finance Law, University of Navarra (Catedratico de Derecho Financiero, "Universidad de Navarra")
Professor of Tax Law, "Rome Tre University"
Professor of Tax Law, "University of Venice"
Professor of Tax Law, "University of Bari"
Professor of Tax and Finance Law, University of Cantabria (Catedratico de Derecho Tributario y Financiero, "Universidad de Cantabria")
Catédratico di Diritto Tributario e Finanziario nell’Università San Pablo CEU
Professor of Tax Law, "University of Castellanza"