Lotfi Khezami is currently an Associate Professor of Chemistry at Al-Imam Mohamed Ibn Saudi Islamic University (IMAMU). He served as supervisor of the Chemistry department at IMAMU, from 2008-2010. Since 2008, he is chair of the quality and development committee of the department and member of the unit of quality and development of the faculty. Lotfi received his Engineering diploma in industrial chemistry process from the National Engineers School of Gabes (ENIG), and his M.S. and Ph.D. in Engineering of Industrial Processes from the University of Technology of Compiegne (UTC), where he was also a lectureship and research Assistant. His research interests span over several areas related to Environment and pollution treatments, wastewater treatment, nanomaterials, removal of Heavy metals, dyes and phenolic compound, solar cells, drying and conservation of food by Osmotic Dehydration and Pulsed Electric Field, etc.