Giorgio Mannina is an Italian Full Professor of Sanitary and Environmental Engineering at the University of Palermo (Università di Palermo) in Italy, where he works in the Engineering Department. He is Director of the Water Resource Recovery Facility and the Water & Resource Recovery Lab at Palermo University and leads research on advanced wastewater treatment technologies (including membrane bioreactors such as MBR, MBBR and hybrid systems), biological nutrient removal (BNR), environmental water quality modelling, integrated urban drainage systems, and resource recovery from wastewater and mathematical modelling. Mannina has held leadership roles in the International Water Association (IWA), including Chair of the Task Group on Membrane Bioreactor Modelling & Control, and he was selected as an IWA Distinguished Fellow in 2026 and IWA Fellow in 2024 . He has received several international awards for research contributions, including the iEMSs Biennial Medal Award 2022 for exceptional research in environmental modelling. Prof. Mannina has published over 400 scientific papers, including more than 180 in ISI-indexed journals, and has edited multiple books on water and wastewater engineering with outstanding publisher such as Elsevier and Springer. He is/has been editor, associate editor, or guest editor for several international ISI journals.