Sergio Sebastiani (born April 11, 1931) is an Italian cardinal of the Roman Catholic Church and the President emeritus of Prefecture for the Economic Affairs of the Holy See. Sebastiani was born in Montemonaco, Italy. He studied at the Episcopal Seminary of Ascoli Piceno and later at the Archiepiscopal Seminary of Fermo. He continued his studies at the Pontifical Gregorian University in Rome where he earned his licentiate in theology and at the Pontifical Lateran University where he was awarded a doctorate in canon law. He was ordained in 1956. In 1976, he became Titular Archbishop of Caesarea in Mauretania, as well as Apostolic Pro-Nuncio to Madagascar and Mauritius. Sebastiani became Apostolic Nuncio (ambassador of the Holy See), to Turkey in 1985. In 1994, he was appointed General Secre