In the year 1996, Prof. Paolo Salvatore Calabrò graduated cum laude in Civil Engineering at the University of Reggio Calabria (Italy); in the year 2003, he earned a PhD in Hydraulic Engineering from the University of Catania (Italy). His professional experience includes five years (2001–2005) as a Civil-Environmental Engineer in two municipalities in Italy. Between 2006 and 2015, he was an Assistant Professor and, since 2015, has been an Associate Professor in Sanitary Environmental Engineering at the Mediterranea University of Reggio Calabria. He founded and currently leads the Laboratory of Sanitary Engineering and Technologies for the Ecological Transition of the Department of Civil, Energy, Environmental, and Materials Engineering at the Mediterranea University of Reggio Calabria. He teaches several courses in the field of wastewater and solid waste treatment, and management for the BSc and MSc Courses in Environmental, Management and Mechanical Engineering. In May 2016, he worked as a visiting professor at the Democritus University of Thrace (Greece). From 2020, he has been an Adjunct Professor at the Department of Civil Engineering, Ryerson University, Toronto (Canada). His main research interests include integrated solid waste management, anaerobic digestion, and contaminated groundwater treatment by Fe0. He is the author/coauthor of about 100 papers published in international journals.