| Sir Peter Allan Renshaw Blaker | 29 May 1981 | 1983 |
| John Paul Stanley | June 1983 | 1987 |
| Bernard Harold Ian Halley Stewart | 13 June 1987 | 25 July 1988 |
| Archibald Gavin Hamilton | 1988 | 1993 |
| Jeremy James Hanley | May 1993 | 20 July 1994 |
| Arthur Nicholas Winston Soames | 1995 | 2 May 1997 |
| Dr John Reid | 5 May 1997 | 27 July 1998 |
| Douglas John Henderson | 1998 | 28 July 1999 |
| Rt Hon Andrew Robert George Robathan | 4 September 2012 | 7 October 2013 |