| 2002— | President, Xidian University Shaanxi Province, Xi'an City | |
| 2000—2000 | Visiting Professor, Cornell University USA, New York, Ithaca | |
| 1998—2002 | Vice-President, Xidian University Shaanxi Province, Xi'an City | |
| 1996—1998 | Dean, Xidian University, Electromechanical Engineering Department Shaanxi Province, Xi'an City | |
| 1995—1996 | Assistant Dean, Xidian University, Electromechanical Engineering Department Shaanxi Province, Xi'an City | |
| 1995—1995 | Supervisor, Xidian University, Electromechanical Engineering Department Shaanxi Province, Xi'an City | |
| 1993— | Professor, Xidian University, Electromechanical Engineering Department Shaanxi Province, Xi'an City | |
| 1991—1994 | Research Fellow, Hokkaido University Japan, Sapporo | |
| 1991—1994 | Postdoctoral Fellow, University of Liverpool United Kingdom, Liverpool (England Civil Engineering Department) | |
| 1990—1993 | Associate Professor, Xidian University, Electromechanical Engineering Department Shaanxi Province, Xi'an City |