| Chiene & Tait | Corporate Secretary | 15 Jan 2008 | 25 Jan 2011 | - | - |
| David Arnot Shepherd | Director | 7 Oct 1989 | 28 Apr 2008 | British | 96 years |
| David Douglas Kilgour | Director | 13 Oct 2009 | 30 Apr 2018 | British | 53 years |
| Diana Louisa Wallace | Secretary | 25 Jan 2011 | 19 Mar 2019 | - | - |
| Fiona Daphne Melvin-farr | Secretary | 27 Apr 1993 | 15 Jan 2008 | British | - |
| Ian Munro Thomson | Director | 1 Sept 2019 | 30 Sept 2024 | British | 65 years |
| John Alexander Campbell | Director | 26 Jun 2008 | 9 Aug 2016 | British | 82 years |
| Richard Anthony Neville Towle | Director | 1 Jan 1998 | 31 May 1999 | British | 70 years |
| Simon David William Shepherd | Director | 7 Oct 1989 | 10 Aug 2016 | British | 68 years |
| Simon David William Shepherd | Secretary | 7 Oct 1989 | 27 Apr 1993 | British | - |