Sixiang Jia, born in October 1995 in Shandong, is currently an academic professor at the School of Transportation, Shandong University of Science and Technology. He holds a Ph.D. from Northwestern Polytechnical University and was jointly trained at the University of British Columbia. His research focuses on digital twins, intelligent maintenance, and fault diagnosis. He has led a doctoral innovation fund project and published over 10 papers as first or corresponding author in journals such as MSSP and RESS. He serves as a guest editor for Machines (SCI Q3) and regularly reviews for leading journals in the field.