arco Petitta, PhD, is Full Professor of Hydrogeology at Sapienza University of Rome, Italy, where he is teaching Basic Hydrogeology, Groundwater Hydrodynamic and Applied Hydrogeology, with more than 25 years of activity in groundwater field. He is author of about 70 papers on international journals and more than 100 articles on national journals and proceedings. He is coordinating the European Project Horizon2020 KINDRA (2015-2017), dedicated to a knowledge inventory for hydrogeology research. Member of International Association of Hydrogeologists (IAH) since 1997, he was Chairman of the Italian Chapter (2012-2016) and Chair of the 42nd International Congress of IAH, AQUA2015. He is currently Vice-President of IAH for Western and Central Europe. He is also member of the Council of the Italian Geological Society, Coordinator of the Panel of Experts in Hydrogeology of the EFG (European Federation of Geologists) and Member of the EC Working Group of Groundwater, for the Common Implementation Strategy of Water Directives. He serves in the Editorial Board of Environmental Earth Sciences, Geofluids, Italian Journal of Engineering Geology and Environment, Groundwater for Sustainable Development. International research links are active among Europe and with University of Waterloo, Canada, with G360 Research Center of Guelph, Canada, with Sustech Shenzhen University, China.