Prof. Dr. Nasehir Khan E.M. Yahaya obtained his Doctor of Philosophy (Ph. D) in Environmental Engineering at University of Science Malaysia (USM) in 2000. His public service career began with the post of Civil Engineer in the Department of Irrigation and Drainage (DID) Malaysia in 1992. Then, he moved to the Administration and Finance Division at Headquarters of DID Malaysia until 1999. In 2000, he was positioned at DID Penang. Since 2013, he joined National Hydraulic Research Institute of Malaysia (NAHRIM) as a Director of River Basin Research Center. His research interest is in river engineering and management.