Kunpu Ji is a Postdoctoral Fellow in the Department of Land Surveying and Geospatial Science (LSGS) at The Hong Kong Polytechnic University (PolyU). He received his Bachelor's degree in Surveying Engineering from the School of Geomatics Science and Technology, Nanjing Tech University, Nanjing, China, in 2017, and his Master's and Doctoral degrees in Geodesy from the College of Surveying and Geo-Informatics, Tongji University, Shanghai, China, in 2020 and 2025, respectively. His main research interests include geodetic inverse problems, geodetic time series analysis, and GNSS quality control theory.