Dr. Mazaher Ahmadi received his Ph.D. in Analytical Chemistry from Bu-Ali Sina University in 2017. He has been to Alicante University, Spain, and Stockholm University, Sweden, as a visiting researcher in 2015-2016 and 2016-2017, respectively. He became an Assistant Professor of Analytical Chemistry at Bu-Ali Sina University in 2019. His professional experiences also include two post-doctorate research courses at Shiraz University of Medical Science, Iran, and Bu-Ali Sina University, Iran, in 2017-2018 and 2018-2019, respectively. Dr. Ahmadi is an expert in nanotechnology, analytical method development, pollutant removal, and wastewater treatment. He has edited six Elsevier books. He also has contributed eleven book chapters with Elsevier.