| Aileen Norma Taylor | Director | 1 Aug 2007 | 8 Sept 2010 | British | 54 years |
| Alan Ewing Mills | Director | 13 Jun 2002 | 11 Dec 2012 | British | 69 years |
| Alan Thomas Burnet | Director | 20 Mar 2017 | 15 Feb 2021 | British | 64 years |
| Alan Wallace Mckean | Director | 5 Mar 1997 | 20 Jun 2008 | British | 72 years |
| Andrew James Nicholson | Director | 26 Sept 2011 | 10 Mar 2017 | British | 52 years |
| Barbara Charlotte Wallace | Director | 8 Sept 2010 | 26 Sept 2011 | British | 55 years |
| Brian Pemberton | Director | 3 Mar 2017 | 27 Nov 2019 | British | 60 years |
| Christine Anne Russell | Secretary | 8 Feb 2012 | 27 Jul 2012 | - | - |
| Deborah Susan Esslemont | Secretary | 19 Dec 2000 | 2 Aug 2006 | British | - |
| Eric George William Tough | Director | 5 Mar 1997 | 13 Jun 2002 | British | 69 years |
| Gary Robert Mcneilly Stewart | Director | 8 Sept 2010 | 11 Dec 2012 | British | 60 years |
| Hew Campbell | Director | 5 Mar 1997 | 1 Aug 2007 | British | 64 years |
| Iain Thomas Wardhaugh | Director | 3 Mar 2017 | 25 Mar 2022 | British | 64 years |
| Ian Rogan Sharpe | Director | 20 Mar 2017 | 20 Oct 2019 | British | 66 years |
| Jonathan Hedgecock | Director | 3 Mar 2017 | 21 Nov 2024 | British | 54 years |
| Karen Elizabeth Davies | Director | 3 Mar 2017 | 31 May 2022 | British | 61 years |
| Lawrence James Ladbrook | Director | 31 May 2022 | 23 Feb 2023 | British | 59 years |
| Merle Allen | Secretary | 26 Sept 2011 | 8 Nov 2011 | - | - |
| Neil Clark Macarthur | Director | 20 Jun 2008 | 8 Sept 2010 | British | 59 years |
| Nicola Louise Wells | Director | 15 Feb 2021 | 30 Jan 2023 | British | 41 years |
| Sally Jane Sutherland | Director | 11 Dec 2012 | 10 Mar 2017 | British | 59 years |
| Shirley Margaret Macgillivray | Secretary | 5 Mar 1997 | 19 Dec 2000 | British | - |
| Simon Andrew Wright | Director | 20 Mar 2017 | 20 Oct 2019 | British | 63 years |
| Yvonne Wood | Secretary | 2 Aug 2006 | 26 Sept 2011 | British | - |