| Alistair Mckenzie Miller | Director | 10 Oct 2000 | 27 Feb 2006 | British | 56 years |
| Andrew Pollins | Director | 1 Feb 2011 | 1 Sept 2016 | British | 58 years |
| Anthony Keith Gill | Director | 1 Feb 1994 | 31 Mar 1999 | British | 95 years |
| Anthony Maurice Jackson | Director | 1 Jul 1992 | 5 Apr 1997 | British | 83 years |
| Anthony Maurice Jackson | Secretary | 1 Jul 1992 | 10 Feb 1994 | British | - |
| Arthur Bryan Martin | Director | 8 Sept 1993 | 31 Dec 1998 | British | 97 years |
| David Anthony Quarmby | Director | 10 Nov 1998 | 10 Jul 2001 | British | 84 years |
| David George Keep | Director | 10 Oct 2000 | 29 Apr 2016 | British | 77 years |
| David George Keep | Secretary | 10 Feb 1994 | 29 Apr 2016 | British | - |
| Denis Roland Murrin | Director | 1 Jul 1992 | 27 Jul 1993 | British | 100 years |
| Eric Fenton Sanderson | Director | 5 Jan 1999 | 30 Sept 2000 | British | 74 years |
| Gareth William Powell | Director | 3 Jun 2013 | 18 May 2022 | British | 49 years |
| George Malcolm Hutchinson | Director | 1 Jul 1992 | 5 Apr 1997 | British | 90 years |
| Howard Ernest Carter | Secretary | 23 Jun 2015 | 29 Sept 2023 | - | - |
| Howard Geoffrey Smith | Director | 10 Oct 2000 | 31 May 2013 | British | 61 years |
| Ian Arthur Brown | Director | 7 Mar 1997 | 5 Nov 2010 | British | 79 years |
| Ian Godfrey Williams | Director | 12 Sept 1995 | 30 Sept 2000 | British | 80 years |
| James Reginald Gates | Director | 1 Jul 1992 | 5 Apr 1997 | British | 79 years |
| Jill Louise Collis | Director | 3 Jun 2013 | 6 Sept 2019 | British | 57 years |
| John Denys Charles Anstice Prideaux | Director | 1 Feb 1994 | 31 Mar 1998 | British | 81 years |
| John Garlick | Director | 1 Jul 1992 | 31 Oct 1992 | British | 104 years |
| John Michael Pickard | Director | 7 Jan 1994 | 30 Jun 1998 | British | 93 years |
| Jonathan Michael Fox | Director | 6 Apr 2005 | 31 Mar 2021 | English | 61 years |
| Kenneth Eric Correll Sorensen | Director | 1 Jul 1992 | 4 Mar 1997 | British | 83 years |
| Leon Alistair Daniels | Director | 1 Sept 2016 | 20 Dec 2017 | British | 70 years |
| Michael John Lockyear | Director | 1 Jul 1992 | 5 Apr 1997 | British | 74 years |
| Michael Stuart Nattrass | Director | 18 Nov 1998 | 1 Jan 2008 | British | 84 years |
| Michael William Tuke Brown | Director | 1 Feb 2011 | 1 Sept 2016 | British | 61 years |
| Neil William David Spence | Director | 7 Mar 1997 | 30 Sept 2000 | British | 72 years |
| Nicolas Anton Lethbridge | Director | 7 Feb 1994 | 17 Feb 1995 | British | 76 years |
| Patrick Doig | Director | 1 Sept 2016 | 15 Dec 2022 | British | 43 years |
| Peter David Sandwith Dale | Director | 1 Jul 1992 | 6 Oct 1992 | British | 85 years |
| Peter Keith Levene | Director | 1 Jul 1992 | 7 Jan 1994 | British | 84 years |
| Rajiv Sachdeva | Director | 19 Dec 2022 | 22 Sept 2023 | British | 56 years |
| Robert Craig Mcpherson Rankin | Director | 25 Nov 1992 | 17 Dec 1993 | British | 88 years |
| Robert Reid | Director | 1 Jul 1992 | 16 Nov 1993 | British | 104 years |
| Sandi Rhys-jones | Director | 1 Feb 1999 | 30 Sept 2000 | British | 79 years |
| Sarah Anne Atkins | Director | 1 Jul 2014 | 1 Sept 2016 | British | 70 years |
| Stephen Alan French | Director | 1 Jul 1992 | 17 Jan 1997 | British | 72 years |
| Stephen Edwin Gibbs | Director | 6 Oct 1992 | 5 Apr 1997 | British | 82 years |
| Stuart Ian Munro | Director | 16 May 2006 | 1 Jul 2011 | British | 58 years |
| Susan Frances Angoy | Director | 5 Jan 1999 | 30 Sept 2000 | British | 77 years |
| William Henry Brett | Director | 1 Feb 1999 | 30 Sept 2000 | British | 83 years |