After obtaining a PhD in groundwater modeling, his researches are focusing on groundwater management, interaction between stream and groundwater, human influences on groundwater quantity and quality, remediation of polluted sites, isotope techniques for groundwater studies, role of groundwater in environmental and ecological studies. He is the Chairman of the Italian Chapter of the IAH, Coordinator of the Panel of Experts in Hydrogeology of the EFG (European Federation of Geologists) and Member of the Working Group of Groundwater of the European Union, for the Common Implementation Strategy of Water Directives.