1992.9-1997.11:Ph.D., New Jersey State University, Rutgers University, USA 1990.8- 1992.7: Engineer, Inner Mongolia Institute of Metal Materials.
1998.3-1999.6: chromagen company, San Diego, California, USA. Researcher.
1999.6-2000.10: Stratagene, Agilent, researcher, project manager.
2000. 10-2008.2: neuroendocrine bioscience, senior researcher.
March 20, 20081February 4: Bioduro, director, senior director and executive director of Beijing PPD Company.
2012.4-Up to now: School of Pharmacy, Soochow University, distinguished professor.