| Andrew Martin Pollins | Director | 1 Apr 2020 | 12 Oct 2020 | British | 59 years |
| Carl Foreman | Director | 13 Jan 2012 | 9 Feb 2021 | British | 57 years |
| Daniel Marinus Maria Vermeer | Director | 25 Sept 2017 | 15 Sept 2025 | Dutch | 45 years |
| Fabio D'alonzo | Director | 22 Aug 2014 | 10 Dec 2019 | Italian | 50 years |
| Francois Julien Hiernard | Director | 1 Jun 2022 | 11 Mar 2025 | French | 45 years |
| Geraint Keith Jewson | Director | 22 Aug 2005 | 13 Jan 2012 | British | 68 years |
| Hillary Sue Berger | Secretary | 13 Jan 2012 | 1 Jan 2016 | British | - |
| James Peter Hamilton Graham | Director | 13 Oct 2020 | 31 May 2022 | British | 40 years |
| Jeremy Montague Hughes | Director | 1 Jun 2022 | 13 Feb 2023 | British | 61 years |
| Michael Stuart Baker | Director | 13 Jan 2012 | 28 Feb 2014 | British | 62 years |
| Paul William Evans | Director | 13 Jan 2012 | 22 Aug 2014 | British | 73 years |
| Paula Marian Jewson | Secretary | 22 Aug 2005 | 13 Jan 2012 | British | - |
| Robert Paul Tate | Director | 22 Aug 2005 | 5 Feb 2014 | British | 57 years |
| Roger Siegfried Alexander Kraemer | Director | 10 Dec 2019 | 28 Feb 2022 | German | 58 years |
| Sarah Jane Gregory | Secretary | 1 Jan 2016 | 23 Jul 2021 | - | - |
| Simon David Pinnell | Director | 13 Jan 2012 | 31 Mar 2020 | British | 62 years |
| Sion Laurence Jones | Director | 22 Aug 2014 | 25 Sept 2017 | English | 52 years |
