Dr. Junshan Liu is a full professor and the JE Wilborn Endowed Chair at the McWhorter School of Building Science at Auburn University, USA, where he specializes in digital documentation and Building Information Modeling (BIM) technologies. He earned his Ph.D. in Architecture from Georgia Institute of Technology, USA, a Master of Building Construction from Auburn University, and holds dual bachelor's degrees in Civil Engineering and Technological Economy from Shanghai Jiaotong University, China. A globally recognized expert in reality capture, Heritage Building Information Modeling (HBIM), LiDAR scanning, and related digital technologies, Dr. Liu has developed innovative methodologies and practical guidance that have significantly advanced the field. His body of work includes numerous influential publications on HBIM, reality capture, terrestrial laser scanning (TLS), and digital documentation. He actively contributes to the advancement of reality capture technologies in the built environment through his leadership in multiple internationally funded research initiatives across the United States, South America, Europe, and the Middle East.