| Andrew Charles Smith | Secretary | 11 May 1992 | 29 Jul 1999 | British | - |
| Andrew David Evans | Director | N/A | 31 Dec 2003 | British | 68 years |
| Christopher Francis Girling | Director | 16 May 2001 | 1 Feb 2002 | British | 72 years |
| Christopher Francis Girling | Director | 13 Aug 2002 | 2 Apr 2007 | British | 72 years |
| Christopher Jonathan Bunker | Director | 23 May 1997 | 29 Jul 1999 | British | 80 years |
| Colin Barry Cockerham | Director | 11 May 1992 | 29 Feb 2000 | British | 84 years |
| Dirk Olaf Fitzhugh | Secretary | 29 Jul 1999 | 1 Dec 2001 | British | - |
| Edgar Rowan Sharples | Director | 1 Feb 2002 | 13 Aug 2002 | British | 74 years |
| Euan Mcewan | Director | 29 Jul 1999 | 30 Apr 2001 | British | 71 years |
| Ian Paul Grainger | Director | 11 May 1992 | 31 Dec 2003 | British | 66 years |
| Larry Smith | Director | 11 Jan 2000 | 31 Dec 2003 | British | 71 years |
| Richard Francis Tapp | Director | 31 Dec 2003 | 18 Dec 2018 | British | 67 years |
| Richard Francis Tapp | Secretary | 1 Dec 2001 | 18 Dec 2018 | British | - |
| Richard John Adam | Director | 2 Apr 2007 | 31 Oct 2016 | British | 69 years |
| Samuel Morgan Marshall | Director | 11 May 1992 | 13 Jul 1999 | British | 85 years |
| Terence Harold Mason | Director | 11 May 1992 | 4 Apr 1997 | British | 85 years |
| Timothy Francis George | Director | 31 Dec 2003 | 30 Jun 2017 | British | 66 years |
| Westley Anthony Maffei | Director | 1 Jul 2017 | 10 Dec 2018 | British | 44 years |
| Zafar Iqbal Khan | Director | 31 Oct 2016 | 11 Sept 2017 | British | 58 years |