Dr. Hao Pu is a Full Professor, Ph.D. Supervisor and Head of the railway department at the school of Civil Engineering at Central South University. He is also the deputy director of Alignment Professional Committee in China Railway Society. His expertise includes the areas of digitalizing and intelligent design for railway alignment, virtual reality and building information modeling. Prof. Pu is the Principal Investigator (PI) of more than 50 projects granted by the National Natural Science Foundation of China, China Railway Corporation, Hunan Province and many railway design institutes. He has led a team to develop a series of alignment CAD software packages which have been widely used in more than 80% Chinese railway design institutes and become the most important supported software platform for railway alignment design. He has published two monographs and more than 70 papers in refereed journals including Computer-aided civil and infrastructure engineering, Transportation Research Part C: Emerging Technologies, Journal of the China Railway Society, China Journal of Highway & Transport etc.