| Amelie Marie Breitburd | Director | 25 Nov 2019 | 31 Mar 2020 | French | 57 years |
| Andrew John Purvis | Director | 10 Nov 2006 | 30 Apr 2021 | British | 66 years |
| Andrew Mark Parsons | Director | 2 Aug 2007 | 15 Sept 2010 | British | 61 years |
| Bertrand Poupart-lafarge | Director | 6 Dec 2013 | 18 Feb 2014 | French | 58 years |
| Caroline Anne Riddy | Secretary | 1 Mar 2023 | 19 Jun 2024 | - | - |
| Christopher Graham Bobby | Director | 17 Jul 2014 | 31 Dec 2019 | British | 60 years |
| David Richard Cheeseman | Director | 6 Dec 2013 | 31 Oct 2016 | British | 58 years |
| Francois De Meneval | Director | 20 Dec 2011 | 30 May 2012 | French | 63 years |
| Graham Harvey | Director | 31 May 2012 | 20 Dec 2013 | British | 68 years |
| Ian Brimecome | Director | 22 Feb 2011 | 6 Mar 2013 | British | 73 years |
| Ian Robinson | Director | 18 Jun 2008 | 12 Jul 2010 | British | 57 years |
| Jean Paul Dominique Louis Drouffe | Director | 22 Feb 2011 | 31 Aug 2013 | French | 51 years |
| Jeremy Peter Small | Secretary | 15 Sept 2006 | 16 Jun 2020 | British | - |
| John Robert Simmonds | Director | 15 Sept 2006 | 21 Dec 2011 | British | 69 years |
| Kirsten Ann Beggs | Secretary | 13 Jul 2020 | 28 Feb 2023 | - | - |
| Nicholas Mckenzie Herbert Burns | Director | 22 Feb 2011 | 23 Apr 2012 | British | 59 years |
| Paul James Evans | Director | 15 Sept 2006 | 16 Apr 2009 | British | 61 years |
| Paul James Evans | Director | 20 Dec 2011 | 3 Dec 2013 | British | 61 years |
| Philip John Anderson | Director | 16 Apr 2009 | 29 Jun 2012 | British | 62 years |
| Philippe Louis Herbert Maso Y Guell Rivet | Director | 10 Nov 2006 | 31 Mar 2009 | French | 60 years |
| Raymond Francis Pierce | Director | 3 Jun 2009 | 3 Nov 2009 | British | 80 years |
| Roland Jean Andre Moquet | Director | 1 Apr 2020 | 1 Sept 2025 | French | 50 years |
| Sarah Amy O'reilly | Secretary | 19 Jun 2024 | 14 May 2025 | - | - |
| Simon John Chamberlain | Director | 29 May 2007 | 26 Jul 2007 | British | 61 years |
| Susan Nicola Teale | Director | 31 Oct 2016 | 8 Oct 2023 | British | 64 years |
| Timothy Hugh Southcombe Trotter | Director | 16 Apr 2009 | 31 Dec 2010 | British | 67 years |
