Shichao Xie received the B.Eng. degree in Geological Engineering and Geomatics and the Ph.D. degree in Surveying and Mapping Science and Technology from Chang’an University, China. Was a visiting Ph.D. researcher at Brunel University London, UK, Currently a postdoctoral researcher at Hohai University, China. Research interests include satellite geodesy, Global Navigation Satellite Systems (GNSS), precise orbit determination, satellite dynamics modelling, Earth reference frame realisation, and high-precision positioning and timing. Focuses on improving the accuracy and reliability of GNSS precise products through advanced modelling of satellite non-conservative forces, satellite antenna phase centre corrections, and data-driven approaches. Published several peer-reviewed articles in the fields of GNSS precise orbit determination, satellite dynamics modelling, and GNSS error mitigation.