| Period of LegCo service |
| 5 July 1989 - 1 May 1991 |
Appointed (Official - Secretary for Education and Manpower) |
| 2 December 1987 - 2 December 1987 |
Appointed (Official - Acting Secretary for Trade and Industry) |
| 14 October 1987 - 21 October 1987 |
Appointed (Official - Acting Secretary for Trade and Industry) |
| 8 July 1987 - 16 July 1987 |
Appointed (Official - Acting Secretary for Trade and Industry) |
| 13 July 1983 - 10 August 1983 |
Appointed (Official - Acting Secretary for Economic Services) |