| Period of LegCo service |
| 6 October 1982 - 2 February 1983 |
Appointed (Official - Secretary for Trade and Industry) |
| 31 October 1979 - 30 June 1982 |
Appointed (Official - Director of Trade, Industry and Customs) |
| 19 July 1978 - 16 August 1978 |
Appointed (Official - Acting Director of Trade, Industry and Customs) |
| 7 June 1978 - 5 July 1978 |
Appointed (Official - Acting Director of Trade, Industry and Customs) |
| 26 October 1977 - 10 November 1977 |
Appointed (Official - Acting Director of Trade, Industry and Customs) |
| 18 May 1977 - 10 August 1977 |
Appointed (Official - Acting Director of Commerce and Industry) |
| 16 February 1977 - 16 February 1977 |
Appointed (Official - Acting Director of Commerce and Industry) |
| 8 December 1976 - 8 December 1976 |
Appointed (Official - Acting Director of Commerce and Industry) |
| 23 June 1976 - 21 July 1976 |
Appointed (Official - Acting Director of Commerce and Industry) |