1. Assoc. Prof., Build. and Real Estate Dept., Hong Kong Polytechnic Univ., Kowloon, Hong Kong.
2. Executive Dir., Henderson China Ltd., 5/F., Harcourt House, 39 Gloucester Rd., Hong Kong.
3. Sr. Contracts Mgr., Henderson China Ltd., 5/F., Harcourt House, 39 Gloucester Rd., Hong Kong.