| Aileen Norma Taylor | Director | 1 Aug 2007 | 15 Sept 2010 | British | 54 years |
| Alan Ewing Mills | Secretary | 19 Nov 2002 | 22 Aug 2011 | British | - |
| Alan Wallace Mckean | Director | 19 Nov 2002 | 20 Jun 2008 | British | 72 years |
| Andrew Glen Scott | Director | 7 Sept 2020 | 30 Sept 2021 | British | 51 years |
| Andrew James Nicholson | Director | 22 Aug 2011 | 14 Nov 2012 | British | 52 years |
| Barbara Charlotte Wallace | Director | 15 Sept 2010 | 22 Aug 2011 | British | 55 years |
| Christine Anne Russell | Secretary | 22 Aug 2011 | 27 Jul 2012 | - | - |
| Claire Middleton | Director | 1 Oct 2021 | 13 Jun 2024 | British | 41 years |
| Gary Robert Mcneilly Stewart | Director | 15 Sept 2010 | 14 Nov 2012 | British | 60 years |
| Hew Campbell | Director | 19 Nov 2002 | 1 Aug 2007 | British | 64 years |
| Ian Christopher Wright | Director | 27 Jun 2019 | 7 Sept 2020 | British | 53 years |
| Ian Michael Brian Mclaughlin | Director | 28 Nov 2012 | 27 Jun 2019 | British | 60 years |
| Jamie Robert Helme | Director | 31 May 2018 | 29 Jul 2022 | British | 48 years |
| Lynne Conner | Director | 12 Sept 2022 | 28 Jun 2024 | British | 47 years |
| Martin Francis Fleming | Director | 14 Nov 2012 | 22 Mar 2013 | Irish | 58 years |
| Michael Larkin | Director | 22 Mar 2013 | 31 May 2018 | Irish | 57 years |
| Neil Clark Macarthur | Director | 20 Jun 2008 | 15 Sept 2010 | British | 59 years |
| Richard Steven Barr | Director | 13 Jun 2024 | 31 Oct 2025 | British | 41 years |
| Walter Simon Turner | Director | 14 Nov 2012 | 18 Oct 2013 | British | 54 years |
