Prior to join UoS he worked as a Research Fellow at National University of Singapore. He received his MEng and PhD in Industrial Engineering from Asian Institute of Technology, Thailand and Nanyang Technological University, Singapore in 2000 and 2005, respectively. His current research focuses on quality control, reliability, maintenance, simulation and multi-criteria decision-making. He has published about fifty research articles in different referred journals and conference proceedings. He is a member of the American Society for Quality.