Salvatore Graziani received an M.S. degree in electronic engineering and a Ph.D. degree in electrical engineering from the Università degli Studi di Catania, Italy, in 1990 and 1994, respectively. Since 1990, he has been with the Dipartimento di Ingegneria Elettrica, Elettronica e Informatica, Università di Catania, where he is an Associate Professor of electric and electronic measurement and instrumentation. His primary research interests lie in the field of sensors and actuators and soft sensors. He has coauthored several scientific papers and books.