Laurea in Mathematics, University Milan, 1970.
Research assistant, U. Milan, 1972-1973;
lecturer, U. Milan, 1973-1985;
associate professor computer science, U. Milan, since 1985. Board directors Istituto RSO Srl, Milan. Director Laboratory for Cooperative Technologies, Milan,1988-.
Chairman management committee European Cmty. Cost-14 Action, Brussels, since 1993.
Secretary University Workers Trade Unions, Milan, 1977-1979. With Italian military, 1970-1971. Member Institute of Electrical and Electronics Engineers Computers, Association Computing Machinery.
Married Gioia Frigerio, December 9, 1967. Children: Iacopo, Benedetta.