| Clive William Price Mckenzie | Secretary | 1 Jun 1994 | 31 Jan 1996 | British | - |
| Colin James Cole | Director | 17 Jun 2002 | 17 Jan 2006 | British | 67 years |
| Colin Neil Chandler | Secretary | 30 Sept 2002 | 17 Feb 2006 | British | - |
| David Jenkinson | Director | 1 May 2016 | 20 Sept 2020 | British | 58 years |
| Denis Bernard Palmer | Director | 19 Oct 1991 | 21 Nov 1997 | British | 86 years |
| Gerald Neil Francis | Director | 17 Jan 2006 | 30 Sept 2016 | British | 69 years |
| Harold Lewis Edric Tasker | Secretary | 19 Oct 1991 | 1 Jun 1994 | British | - |
| Jeffrey Fairburn | Director | 1 Jan 2010 | 31 Dec 2018 | British | 59 years |
| John Henry Bennett | Director | 17 Jun 2002 | 31 Mar 2006 | British | 78 years |
| John White | Director | 17 Jan 2006 | 31 Dec 2009 | British | 74 years |
| Martin Charles Donohue | Director | 17 Jun 2002 | 1 Nov 2005 | Irish | 80 years |
| Michael Hugh Killoran | Director | 17 Jan 2006 | 14 Jan 2022 | British | 64 years |
| Michael Peter Farley | Director | 17 Jan 2006 | 18 Apr 2013 | British | 72 years |
| Michael William Jones | Director | 30 Jan 2002 | 30 Sept 2002 | British | 77 years |
| Nigel Peter Greenaway | Director | 18 Apr 2013 | 30 Apr 2016 | British | 65 years |
| Nigel Terry Fee | Director | 17 Jun 2002 | 17 Jan 2006 | British | 74 years |
| Norman Alastair Neil Simpson | Director | 19 Oct 1991 | 1 Oct 1994 | British | 90 years |
| Richard Paul Stenhouse | Director | 30 Sept 2016 | 30 Sept 2021 | British | 54 years |
| Robert Templeman | Director | 19 Oct 1991 | 30 Jan 2002 | British | 77 years |
| Simon David Mantell | Director | 21 Nov 1997 | 30 Sept 2002 | British | 56 years |
| Simon David Mantell | Secretary | 31 Jan 1996 | 30 Sept 2002 | British | - |