Dr. Nadjib Drouiche is the Head of Environmental Team, Centre de Recherche en Technologie des Semi-conducteurs pour l’Energétique in Algeria. He holds a Ph.D. degree in environmental engineering. His research interests encompass desalination, wastewater treatment by membranes, and recovery of byproducts resulting from treatment of PV wastewater and cutting oil used for manufacturing of wafers. He was awarded TWAS-ARO YAS Prize 2012 for Sustainable Management of Water Resources in the Arab Region. He published over 80 articles in international scientific journals.