Prof. Nikolaos K. Lazaridis was born in Thessaloniki (Greece) and obtained his BSc (1979) and PhD (1991) degrees from the Aristotle University of Thessaloniki (Greece), where today he is Professor of the Laboratory of General & Inorganic Chemical Technology of School of Chemistry. He teaches transport phenomena and has vast industrial experience. He has authored numerous scientific articles, mainly on wastewater treatment. His scientific work has been published in more than 90 papers in international journals with a high impact factor. His work is widely recognized with over 4,500 citations based on Scopus database (h-index 40). He has also participated in about 20 research projects as a researcher. He is a reviewer in many scientific journals.