1997 received a doctorate in applied mathematics from the University of South Australia, Australia.
199 1 Visiting Scholar, Department of Mathematics, University of Maryland, USA (1991.12.15-1992.6.14).
1997 Visiting Scholar, Department of Systems Engineering and Engineering Management, The Chinese University of Hong Kong (1997.5.15-7.15).
1997 Visit to the University of South Australia, Australia (1997.8.12-9.12)
1998 Visiting Professor, Department of Systems Engineering and Engineering Management, The Chinese University of Hong Kong (1998.2.15-4.15, 12.438+0- 12.22).
1999 Visiting Professor, Department of Management Science, City University of Hong Kong (1999.2.1-4.1)
Visiting Professor, Department of Systems Engineering and Engineering Management, Chinese University of Hong Kong, 2000 (March 20001-April 30)
Visiting University of South Australia in 2000 (July 24-8, 2000.13).
200 1 Visiting Professor, Department of Information and System Management, Hong Kong University of Science and Technology (200 1.7.24-8.23).
200 1-2002 Visiting Professor, Department of Management Science, City University of Hong Kong (2001.12.3-2002.2.3).
Visiting Professor, Department of Management Science, City University of Hong Kong, 2002 (September 200216-2002.1.15).