Giorgio Napolitano served as President of Italy from 2006 to 2015, making him the correct answer for the question's implied timeframe. He was elected following Carlo Azeglio Ciampi's presidency (1999-2006). The other options are all former Italian presidents but from different time periods - Scalfaro (1992-1999), Ciampi (1999-2006), and Pertini (1978-1985).