February 20, 200010.10, senior R&D scientist, sensor technical director and chief operating officer of American Acellent Technologies, Inc.
1998.03-2000.02, postdoctoral fellow, Department of Aerospace, Stanford University, USA.
1997.03- 1998.02, visiting professor, Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, USA.
1995.08- 1997.02, Associate Professor, Department of Engineering Mechanics, Tsinghua University.
1993.10-1995.08 postdoctoral and associate professor, Department of Mechanics, Tianjin University.
1991.02-1993.10 Tsinghua University undergraduate political counselor/teaching assistant doctoral student.
1986.08- 1988.08 cadre of personnel education department of lengshuijiang metallurgical machinery factory, Ministry of Metallurgy