| Alasdair James Miller | Director | 25 Feb 2016 | 31 Dec 2019 | British | 60 years |
| Alasdair James Miller | Secretary | 2 Jun 2016 | 6 Jan 2020 | - | - |
| Graham Blyth | Director | 1 Jan 2019 | 21 Nov 2024 | British | 63 years |
| Ian Alexander Pirie | Director | 17 Feb 1997 | 31 Dec 2018 | British | 70 years |
| James Airlie Bruce Jones | Director | 2 Jun 1989 | 2 Jun 2007 | British | 89 years |
| John Andrew Kissock | Director | 2 Jun 1989 | 31 May 2007 | British | 74 years |
| John Frederick Cunningham Armstrong | Director | 27 Jul 1990 | 2 Jul 1990 | British | 87 years |
| John Frederick Cunningham Armstrong | Director | 2 Jun 1991 | 4 Jun 2010 | British | 87 years |
| Michael Francis Bruce Leslie | Director | 2 Jun 1989 | 21 Nov 2019 | British | 80 years |
| Robin Teacher Stevenson | Director | 17 Feb 1997 | 31 May 2022 | British | 74 years |
| Robin Teacher Stevenson | Secretary | 29 Jun 2007 | 3 Jun 2016 | British | - |
| Roderick Forbes Jones | Director | 2 Jun 1989 | 4 Jun 2010 | British | 87 years |
| Roderick Forbes Jones | Secretary | 2 Jun 1989 | 29 Jun 2007 | British | - |
| Thomas Dunlop Bruce Jones | Director | 2 Jun 1989 | 8 May 1995 | British | 106 years |
| Tom Allan Bruce Jones | Director | 2 Jun 1989 | 22 Nov 2018 | British | 85 years |