June 2006 5438+0-June 2002: Visiting Professor, University of Nevada, Reno.
2000 65438+ 10 -2006 5438+0: Professor, Beijing Jiaotong University (formerly North Jiaotong University)
1may 998-65438+1October 0998: research assistance to the hong kong polytechnic university
1998 065438+2000 10 -65438+ 10: associate professor of Beijing jiaotong university (formerly north jiaotong university)
1996 065438+ 10-199765438+February: postdoctoral fellow, Beijing Jiaotong University (formerly North Jiaotong University)
65438+September 0994-65438+February 0995: Lecturer Harbin Institute of Technology (Harbin Jianzhu University)
65438+April 0992-65438+August 0994: Harbin Institute of Technology (Harbin Jianzhu University) as a teaching assistant.