Xiaoxuan Sun is a Research Associate at the Human Environment Analysis Laboratory (HEAL) focusing on the COVID-19 Surveillance System project. She completed her Master’s degree in Geography at Western University. During her master’s study, she focused on geospatial analysis of urban sprawl for 11 Canadian Census Metropolitan Areas, especially for the City of Toronto. Her research interests include understanding how the combination of remote sensing, GIS, and geodata can better serve spatial analysis and application of city and planning issues.