| Andrew William Hodges | Director | 4 Jan 2007 | 29 Feb 2016 | British | 59 years |
| Andrew William Hodges | Secretary | 27 Mar 2006 | 29 Feb 2016 | British | - |
| Anthony William Lea | Director | 27 Feb 1992 | 31 Aug 2005 | British | 78 years |
| Ceri Howells | Director | 3 Jul 2017 | 27 Sept 2019 | British | 54 years |
| Charles Anthony Wentzel | Secretary | 27 Feb 1992 | 30 Jul 1999 | British | - |
| Claire Murphy | Director | 12 Nov 2021 | 28 Mar 2025 | Irish | 37 years |
| David Anthony Turner | Director | 15 Oct 1999 | 14 Dec 2001 | British | 74 years |
| Douglas Smailes | Director | 3 Sept 2008 | 9 Nov 2016 | British | 67 years |
| Elaine Klonarides | Director | 9 Nov 2016 | 12 Nov 2021 | British | 50 years |
| Geoffrey Allan Wilkinson | Director | 15 Oct 1999 | 19 Mar 2007 | British | 79 years |
| Geoffrey Allan Wilkinson | Secretary | 30 Jul 1999 | 19 Mar 2007 | British | - |
| James Paul Maher | Director | 6 Oct 2020 | 27 Mar 2024 | British | 48 years |
| John Michael Mills | Director | 17 Nov 2014 | 9 Nov 2016 | British | 62 years |
| John Roger Broughton Phillimore | Director | 27 Feb 1992 | 30 Dec 1992 | British | 77 years |
| Nicholas Jordan | Director | 26 Jul 1999 | 31 Jul 2014 | British | 71 years |
| Othilie Flore Jeanne Christine De Rendinger | Director | 9 Nov 2016 | 11 Feb 2019 | French | 45 years |
| Peter Charles Desborough Burnell | Director | 14 Jan 1993 | 17 Aug 1999 | British | 85 years |
| Peter Graeme Whitcutt | Director | 15 Oct 1999 | 3 Sept 2008 | South African | 61 years |
| Rene Medori | Director | 31 Aug 2005 | 5 May 2017 | French | 69 years |
| Roger William Henderson | Director | 16 Sept 2020 | 17 Jan 2024 | British | 46 years |
| William Kow Buabin Ward-brew | Director | 12 Mar 2019 | 30 Apr 2021 | British | 57 years |
