| Period of LegCo service |
| 12 October 1988 - 28 June 1989 |
Appointed (Official - Secretary for Education and Manpower) |
| 8 October 1986 - 25 August 1988 |
Appointed (Official - Secretary for Education and Manpower) |
| 27 September 1983 - 7 August 1985 |
Appointed (Official - Commissioner for Labour) |
| 10 August 1977 - 15 March 1978 |
Appointed (Official - Secretary for the Civil Service) |