| Period of LegCo service |
| 30 October 1985 - 1 April 1987 |
Appointed (Official - Secretary for Trade and Industry) |
| 23 February 1983 - 7 August 1985 |
Appointed (Official - Secretary for Trade and Industry) |
| 2 February 1983 - 2 February 1983 |
Appointed (Official - Acting for Secretary for Health and Welfare) |
| 20 April 1977 - 19 January 1983 |
Appointed (Official - Secretary for Social Services) |
| 11 April 1973 - 1 August 1973 |
Appointed (Official - Acting Director of Commerce and Industry) |
| 31 January 1973 - 31 January 1973 |
Appointed (Official - Acting Director of Commerce and Industry) |