2014-	Chair Professor	Beijing Computational Science Research Center
2006-2014	Professor	Department of Physics, University of Gothenburg
2005-2009	Professor & Director	Laboratory for Surface Physics, Chinese Academy of Sciences
1997-2005	Assoc Professor	Department of Physics, University of Gothenburg
1992-1997	Ass. Professor	Department of Applied Physics, Chalmers University of Technology
1990-1992	Postdoc	Institute of Theoretical Physics, Chalmers University of Technology
1984-1990	PhD	Graduate School, Chinese Academy of Sciences
1980-1984	BS	Department of Physics, Nanjing University