Oct. 2004 to date: Professor, Department of Computing, Oxford Brookes University, Oxford, UK

Nov. 1998: Senior lecturer, Department of Computing, Oxford Brookes University, Oxford, UK

Mar. 1996: Professor, Institute of Computer Software, Nanjing University, Nanjing, China.

Aug. 1991: Research Fellow, Dept. of Computer Science, The Open University, Milton Keynes, UK.

Dec. 1988: Associate Professor, Institute of Computer Software, Nanjing University, Nanjing, China.

Sept. 1987: Lecturer, Dept. of Computer Science and Institute of Computer Software, Nanjing University, Nanjing, China.

Oct. 1990 ~ Jun. 1991: Post-doctorate research fellow, Dept. of Computer Science, Brunel University, London, UK.

Feb. 1985 ~ Agu. 1987: Ph.D. student, Dept. of Computer Science, Nanjing University, Nanjing, China.

Sept. 1982 ~ Feb. 1985: MSc. post-graduate student: Dept. of Computer Science, Nanjing University, Nanjing, China.

Sept. 1978~Agu. 1982, B.Sc. undergraduate student, Dept. of Computer Science, Nanjing Univ., Nanjing, China.

Sept. 1993~June 1994: Proficiency Level English course, Milton Keynes College, Milton Keynes, UK.