| Benjamin Alfred Carter | Director | 11 Oct 2021 | 6 Dec 2023 | British | 51 years |
| Bertrand Philippe Pierre Gautier | Director | 9 May 2012 | 6 Jun 2017 | French | 56 years |
| Carol David Daniel | Director | 29 Feb 2016 | 2 Sept 2021 | British | 72 years |
| Charles Lewis Matthews | Director | 23 Apr 2013 | 30 Nov 2016 | British | 73 years |
| Christopher Robert Armitage | Director | 2 Nov 2015 | 1 Jun 2018 | British | 67 years |
| Constantine Arcoumanis | Director | 17 Dec 2010 | 29 Oct 2012 | British,greek | 79 years |
| Daniel Whitelaw Wright | Director | 26 Oct 2010 | 18 Dec 2019 | British | 77 years |
| Frederic De Stexhe | Director | 13 Nov 2014 | 31 Mar 2017 | Belgian | 50 years |
| Graham Howes | Director | 17 Dec 2010 | 28 Mar 2018 | British | 65 years |
| Ian Stuart Gibbs | Director | 11 Nov 2022 | 2 Feb 2023 | British | 57 years |
| Jens Stefan Umehag | Director | 1 Apr 2016 | 31 Dec 2018 | Swedish | 52 years |
| John Charles Fothergill | Director | 29 Oct 2012 | 29 Feb 2016 | British | 73 years |
| John Robert Findlay Steedman | Director | 2 Feb 2011 | 27 Oct 2011 | British | 70 years |
| Joseph Ronan Lawlor | Director | 29 Mar 2019 | 2 Sept 2021 | Irish | 54 years |
| Karen Shaw | Director | 14 Oct 2015 | 2 Jul 2019 | British | 62 years |
| Michael Eamonn Ward | Director | 9 May 2012 | 12 Nov 2014 | British | 61 years |
| Michael Eamonn Ward | Secretary | 2 Feb 2011 | 12 Nov 2014 | - | - |
| Nathan Akira Kirton | Director | 21 Oct 2015 | 30 Sept 2016 | British | 48 years |
| Olga Filippova | Director | 1 Jan 2019 | 2 Sept 2021 | British | 51 years |
| Paul Drennan-durose | Director | 29 May 2018 | 11 Feb 2022 | British | 58 years |
| Richard Henry Charles Nourse | Director | 6 Jun 2017 | 29 Mar 2019 | British | 62 years |
| Robert David Mutchell | Director | 27 Oct 2011 | 1 Apr 2016 | British | 52 years |
| Russell Ward | Director | 1 Sept 2016 | 13 Sept 2021 | English | 65 years |
| Susan Claire O'hare | Director | 9 May 2012 | 21 Apr 2015 | British | 65 years |
| Suzan Hayley Gunn | Director | 19 Apr 2011 | 27 Oct 2011 | British | 65 years |
| Suzan Hayley Gunn | Director | 23 Jan 2012 | 9 May 2012 | British | 65 years |
| Tatiana Zervos | Director | 24 Mar 2017 | 30 May 2017 | Irish | 41 years |
| William David Martin Milton | Secretary | 12 Nov 2014 | 31 May 2022 | - | - |
| William David Martin Milton | Director | 1 Nov 2014 | 31 May 2022 | British | 66 years |