Giovanni Esposito is a Professor of Sanitary and Environmental Engineering at the University of Napoli Federico II. In 2004, he was awarded a PhD in Hydraulic and Environmental Engineering from the same University, working for 1 year at the University of Wageningen in the Netherlands. From 2004 to 2018, he worked at the University of Cassino and Southern Lazio, where he built his own lab and research group with several PhD and post-doc fellows. From 2014 to 2019, he was Coordinator of the “Marie Curie” European Joint Doctorate in Advanced Biological Waste to Energy Technologies (ABWET), and from 2009 to 2018, he was Coordinator of the “Erasmus Mundus” international Joint Doctorate Programme in Environmental Technologies for Contaminated Solids, Soils and Sediments, both funded by the European Commission. From 2019 to 2022, he was a local coordinator of the project employing a circular economy approach for OFMSW management within the Mediterranean countries (CEOMED) promoted by the European Commission in the framework of the Programme “European Neighbourhood Instrument – Cross-Border Cooperation in the Mediterranean Area (ENI CBC MED) 2014-2020”. He has also been coordinator of several research projects at the regional and national level. His research interests are in developing, modelling, and engineering innovative biotechnologies for energy and resources recovery from waste and wastewater.