Professor of Occupational Health and Safety at the Department of Civil an Environmental Engineering and Architecture (DICAAR), Cagliari University. Member of the Doctorate Board in Earth and Environmental Sciences and Technologies (STTA), Cagliari University. Main research topics: Occupational health and safety in mines, quarries and industrial sites; Occupational exposure to noise and mechanical vibrations (WBV and HAV); Landscape and visual impact of surface excavation; Emission of PM from fugitive dust sources; Industrial wind erosion (emissions from stockpiles, mine dumps and tailing basins); PM Atmospheric impact; Acoustic impact.