Dr Xiao Li is an Assistant Professor in the Department of Land Surveying and Geospatial Science (LSGS) at The Hong Kong Polytechnic University (PolyU). He is also an Honorary Research Associate at the Transport Studies Unit (TSU), University of Oxford. Prior to joining PolyU, he worked as a Senior Researcher at TSU (2022-2025) and a 'Bryan Warren' Junior Research Fellow at Linacre College, Oxford (2023-2025). Dr Li received his PhD in Geography (GIS Transport) from Texas A&M University in 2019. His research lies at the intersection of Geographic Information Science (GIS), Spatial Data Science, and Transport Geography, a niche where he explores questions about road safety, the consequences of new technologies and policies for transport systems, and social inequalities in everyday mobility.