He is an emeritus professor of civil law at the University of Rome "La Sapienza". Professor of several Italian and foreign universities. European deputy in the Italian Parliament, and since 1979 has been president of the Italian Authority for the protection of personal data, the group coordinating the privacy guarantees of the European Union, and a member of the European Group on Ethics in Science and New Technologies . He has participated in the drafting of the Charter of Fundamental Rights of the European Union and chairs the Scientific Committee of the Agency for Fundamental Rights of the EU. His works include: Il terribile diritto. Studi sulla proprietà privata (21990; ed cast 1987..); Tecnologie e diritti (1995); Repertoire di fine secolo (21999); Technopolitics (22004); Soggetto alla person Dal (2007), and secular Perche (2009)