Full Professor in analytical chemistry, College of Chemistry, Beijing Normal University (from Jul., 2006 to present), Full Professor (from Jul., 1999 to May, 2006) and Associate Professor (from Nov. 1994 to Jun. 1999 and assistant teacher from 1988 to Jun. 1994) in analytical chemistry, School of Chemistry and Chemical Engineering, Shanxi University.

  Senior Visiting Scholar in N. J. Turro’s group, Columbia University in New York city, from Nov, 2008 to Apr., 2009.
  Visiting Scholar in Alfredo Sanz-Medel’s group, Oviedo University, from 2003 to 2004 supported by the Ministry of Spanish Education and Culture.
  Postdoctoral training under supervision of Professor Alfredo Sanz-Medel from 1999 to 2000 in University of Oviedo, Spain.
  Ph. D. research in analytical chemistry under supervision of Professor Guo Li Shen and Ru Qin Yu in Hunan University from Sep., 1995 to Jul., 1998.
  M.S. research in analytical chemistry under supervision Professor Chang Song Liu in Shanxi University from Sep., 1988 to Jul., 1991.
  B. S. in Chemistry in Shanxi University Sep., 1979 to Aug., 1983