Associate Professor Jun. 2019–Now College of Earth Sciences, Chengdu University of Technology Visiting Scholar Jan. 2019–Jan. 2020 Purdue University Lyles School of Civil Engineering Member of Digital Photogrammetry Research Group (DPRG) Lecturer Jun. 2007–Dec. 2019 College of Earth Sciences, Chengdu University of Technology Teaching Assistant Sep. 2002–Jun. 2007 College of Earth Sciences, Chengdu University of Technology Teaching Assistant Sep. 2002–Jun. 2007 College of Earth Sciences, Chengdu University of Technology