| Alan Wallace Mckean | Director | 5 Mar 1997 | 27 Jul 1999 | British | 71 years |
| Amanda Jayne Mason | Director | 6 Mar 2012 | 11 Oct 2013 | British | 54 years |
| Colin Angus Baillie | Director | 27 Jul 1999 | 15 Sept 2008 | British | 66 years |
| Deborah Susan Esslemont | Secretary | 19 Dec 2000 | 12 Mar 2010 | British | - |
| Eric George William Tough | Director | 5 Mar 1997 | 27 Jul 1999 | British | 68 years |
| Hew Campbell | Director | 5 Mar 1997 | 27 Jul 1999 | British | 63 years |
| Hugh Leathley Chater | Director | 15 Sept 2008 | 6 Mar 2012 | British | 65 years |
| Iain Clink | Director | 26 Oct 2004 | 31 Jul 2008 | British | 67 years |
| Judith Coates | Director | 13 Oct 2014 | 14 Dec 2016 | British | 47 years |
| Mathew Edward John Carter | Director | 24 Aug 2012 | 13 Oct 2014 | British | 53 years |
| Michael Gregory Reed | Director | 6 Mar 2012 | 24 Aug 2012 | British | 56 years |
| Norman Cardie Mcluskie | Director | 27 Jul 1999 | 23 Aug 2004 | British | 81 years |
| Shirley Margaret Macgillivray | Secretary | 5 Mar 1997 | 19 Dec 2000 | British | - |
| Stephen Paul Brannan | Director | 27 Jul 1999 | 24 Apr 2001 | British | 72 years |
| Stuart Alexander Mcintyre | Director | 15 Sept 2008 | 6 Mar 2012 | British | 57 years |
| Timothy David Lewis | Director | 24 Apr 2001 | 13 Aug 2004 | British | 63 years |
| Yvonne Addison | Secretary | 12 Mar 2010 | 3 Jul 2014 | - | - |