Associate professor University Salerno, Italy, 1983-1987, professor mathematics Italy, since 1987, director Research Center in Pure and Applied Mathematics Italy, since 1991. Director Dipartimento di Imgegneria dell' Informazione e Mat. Appl., Salerno; member committee for mathematics National Research Council Italy, since 1994.
Member Commission for Informatics and Telematics - Regione Campania, Naples, Italy, since 1996. Consultant Commission for Regional Information Systems, Regione Campania.