| Adam Charles Little | Director | 14 Nov 2006 | 1 Jun 2007 | British | 75 years |
| Aderemi Ladega | Secretary | 14 Nov 2006 | 15 Jun 2007 | British | - |
| Andrea Margaret Thomas | Secretary | 21 Jul 2008 | 23 Mar 2009 | Other | - |
| Christopher Kuangcheng Gerald Eng | Secretary | 23 Mar 2009 | 30 Jun 2010 | Other | - |
| David Thomas Anderson | Director | 11 Feb 2014 | 30 Jun 2023 | British | 62 years |
| Dominic Emery | Director | 8 Mar 2011 | 11 Feb 2014 | British | 63 years |
| Francis William Michael Starkie | Director | 14 Nov 2006 | 30 Sept 2009 | British | 77 years |
| Janet Elvidge | Secretary | 15 Jun 2007 | 21 Jul 2008 | Other | - |
| Joaquin Fernando Oliveira Moutinho | Director | 30 Sept 2020 | 19 Oct 2021 | Portuguese,american | 52 years |
| Mario Lindenhayn | Director | 26 Jan 2015 | 25 Nov 2022 | Brazilian,german | 62 years |
| Martin William Perrie | Director | 19 Oct 2021 | 1 Aug 2025 | British | 52 years |
| Matthias Bausenwein | Director | 25 Nov 2022 | 17 Dec 2024 | German | 50 years |
| Nicholas James Wayth | Director | 7 Nov 2016 | 30 Sept 2020 | British | 53 years |
| Philip Graham New | Director | 15 Jun 2007 | 31 Dec 2014 | British | 64 years |
| Richard Jennings Sandford | Director | 17 Dec 2024 | 18 Jul 2025 | British | 55 years |
| Richard Jennings Sandford | Director | 22 Jul 2025 | 1 Aug 2025 | British | 55 years |
| Robert Carl Fearnley | Director | 1 Jun 2007 | 8 Mar 2011 | British | 63 years |
| Roger Christopher Harrington | Director | 1 Oct 2009 | 17 Nov 2014 | British | 60 years |
| Terence Michael Thornton | Director | 17 Nov 2014 | 7 Nov 2016 | British | 63 years |
| Yasin Stanley Ali | Secretary | 22 Nov 2006 | 30 Jun 2010 | - | - |