1992- 1995, Master of Science, Northeast Normal University.

1995- 1997, lecturer of Dalian University of Technology.

1997-2000, Peking University, doctor of science.

2000-200 1, Ph.D., University of Hong Kong.

200 1-2004, postdoctoral fellow, Virginia Tech, USA.

2004-2006, postdoctoral fellow, Purdue University, USA.

Since 2007, he has been an associate researcher at Beijing University of Technology.