| Alexander Clunie Mcbride | Director | 31 Jul 2011 | 14 Feb 2014 | British | 67 years |
| Angus Richard Hossack | Director | 24 Mar 1998 | 14 Aug 1999 | British | 67 years |
| Bethany Ford | Secretary | 30 Nov 2023 | 31 Jul 2025 | - | - |
| Carol Lorna Whiston | Director | 1 Jun 2001 | 10 Nov 2010 | British | 65 years |
| Caroline Jane Richardson | Director | 23 Mar 2017 | 1 Oct 2018 | British | 52 years |
| Clare Louise Gosling | Director | 3 Jan 2014 | 20 Aug 2015 | British | 53 years |
| Clive Thomas Parry | Director | 14 Feb 2014 | 22 Nov 2021 | British | 70 years |
| Daniel Mundy | Director | 27 Jun 2014 | 10 Mar 2017 | British | 50 years |
| Desmond Gerard Hudson | Director | 10 Dec 1992 | 7 Oct 1998 | British | 71 years |
| Douglas Matthew Symington | Director | 23 Mar 2000 | 5 Sept 2000 | British | 74 years |
| Graham Anthony Cope | Director | 12 Apr 2010 | 30 Nov 2023 | British | 62 years |
| Graham Anthony Cope | Secretary | 1 Jan 2003 | 30 Nov 2023 | British | - |
| Harper Macleod | Corporate Nominee Secretary | 5 Dec 1991 | 19 Feb 1993 | - | - |
| Helen Davies | Director | 22 Nov 2021 | 31 Jul 2025 | British | 60 years |
| Iain Stewart | Director | 24 Mar 1998 | 16 Mar 2000 | British | 73 years |
| Ian Macdonald Dickson | Director | 24 Feb 1993 | 20 Mar 1998 | British | 75 years |
| Ian Macdonald Dickson | Secretary | 10 Dec 1992 | 24 Feb 1993 | British | - |
| Irene Paton | Director | 17 Feb 2007 | 31 Jul 2011 | British | 62 years |
| Jonathan Daniel Bailey | Director | 1 Oct 2018 | 11 Feb 2022 | British | 39 years |
| Louise Jeanette Britnell | Director | 30 Jun 2019 | 31 Mar 2025 | British | 47 years |
| Michael Robert Powell | Director | 26 Apr 2002 | 17 Feb 2007 | British | 70 years |
| Neil Robinson | Director | 31 Dec 2023 | 27 Jun 2025 | British | 64 years |
| Paul Antony Wilson | Director | 10 Nov 2010 | 27 Jun 2014 | British | 55 years |
| Rhiannon Ellis Walker | Secretary | 25 Jun 2002 | 31 Dec 2002 | British | - |
| Richard Hugh Parker | Director | 24 Feb 1993 | 14 Oct 1997 | British | 73 years |
| Richard John Adnett | Director | 23 Mar 2017 | 30 Jun 2019 | British | 52 years |
| Robert Graham Hynd | Nominee Director | 5 Dec 1991 | 10 Dec 1992 | British | 71 years |
| Robert John Pritchard | Director | 5 Sept 2000 | 31 Jan 2002 | British | 79 years |
| Stephen Aitken | Director | 20 Aug 2015 | 13 Feb 2017 | British,australian | 49 years |
| Stephen Geoffrey Evans | Director | 24 Feb 1993 | 30 Apr 2002 | British | 71 years |
| Stephen Geoffrey Evans | Secretary | 24 Feb 1993 | 30 Apr 2002 | British | - |
| Steven Arthur Goldstraw | Director | 1 Jun 2001 | 31 May 2012 | British | 61 years |
| Trevor John Bayley | Director | 24 Feb 1993 | 21 Nov 2000 | British | 75 years |
| William Muir Anderson | Director | 10 Dec 1992 | 15 Oct 1999 | British | 83 years |
| William Peter Fraser Hardie | Secretary | 26 Apr 2002 | 25 Jun 2002 | British | - |