Hossein Azizi is assistant professor of mathematics at Islamic Azad University, Parsabad Moghan Branch. He received his BS degree in mathematical education in September 2005 from Islamic Azad University, Tabriz Branch, and his MSc and PhD degrees both in applied mathematics (operations research) in February 2007 and September 2017, respectively, from Islamic Azad University, Lahijan Branch. His research interests include data envelopment analysis (DEA) and analytic hierarchy process (AHP). He has published several academic papers in various peer-reviewed journals, including Applied Mathematical Modelling, International Journal of Advanced Manufacturing Technology, Computers & Industrial Engineering, International Journal of Systems Science, Measurement, Annals of Operations Research, International Journal of Operational Research, Transportation Research Part D: Transport and Environment, Journal of Optimization in Industrial Engineering, International Journal of Industrial Mathematics, Journal of Industrial and Systems Engineering, Journal of Cleaner Production and so on.