Gaetano Armao is Associate Professor of Administrative Law at the University of Palermo and Avvocato cassazionista since 2000. Since 1996 he has taught administrative law and public accounting at the University of Palermo and public economic law at the Mercatorum University. He is a member of the Society of Advanced Legal Studies at the University of London. A lawyer at the Court of Cassation with offices in Palermo and Rome, he has been an expert advisor to the European Council and a consultant to national and regional governments for the Anti-Mafia Parliamentary Commission. He was also Vice-President of the Fondazione Teatro Massimo di Palermo from 2002 to 2005, Regional Ministry of Cultural Heritage in 2010 and Regional Ministry of Economy and Treasury of the Sicilian Government until 2012, participating in the Conference of Italian Regions, the State-Regions Conference, representing the Sicilian Government also the Economic Planning Committee and the Cabinet of the Ministry of State. He is Vice-President of the Sicilian Region.