Dr. Ateeq ur Rehman Irshad is working as an Assistant Professor at Prince Sultan University KSA. Before joining PSU, KSA he was working as an Assistant Professor at National University of Science and Technology (NUST). He obtained his Ph.D. degree in Econometrics from International Islamic University Islamabad, Pakistan, in 2014. He also worked as a research scholar at Worcester Polytechnic Institution, USA, in 2013-14. His research interests are performance measurement and modeling by using parametric and non-parametric approaches.