| Period of LegCo service |
| 12 October 1988 - 22 August 1991 |
Appointed (Official - Secretary for Transport) |
| 18 February 1987 - 25 August 1988 |
Appointed (Official - Secretary for Transport) |
| 9 July 1986 - 16 July 1986 |
Appointed (Official - Acting Secretary for Education and Manpower) |
| 5 December 1984 - 7 August 1985 |
Appointed (Official - Director of Education) |
| 11 July 1984 - 8 August 1984 |
Appointed (Official - Acting Director of Education) |
| 23 February 1983 - 24 March 1983 |
Appointed (Official - Acting Director of Education) |
| 10 February 1982 - 10 March 1982 |
Appointed (Official - Acting Director of Education) |
| 23 December 1981 - 23 December 1981 |
Appointed (Official - Acting Director of Education) |
| 25 February 1981 - 26 March 1981 |
Appointed (Official - Acting Director of Education) |
| 22 October 1980 - 5 November 1980 |
Appointed (Official - Acting Secretary for Social Services) |