Xin Liu was a MSc. student in geographical information sciences (GIS), joining our lab in 2018 as a volunteer researcher. He has contributed to several projects and co-authored papers with Erjia and the team.  Xin plays a key role in spatial data collection, processing, and analysis, helping build our lab’s data repository. His research focuses on climate change, environmental exposures, and developing geospatial models to improve health risk assessments.  Xin now is a Ph.D. student of Public Health at the Southern University of Science and Technology.