| Agnes Thomson | Director | 3 Jul 2002 | 28 Jan 2011 | Scottish | 69 years |
| Agnes Thomson | Secretary | 14 Jul 1999 | 28 Jan 2011 | Scottish | - |
| Ahmad Iesa Behbehani | Director | 30 Jun 2000 | 24 Jul 2002 | Kuwaiti | 71 years |
| Alan John Tucker | Director | 31 Dec 1991 | 15 Aug 1994 | British | 84 years |
| Alessandro Gilotti | Director | 1 Jan 1998 | 30 Jun 2000 | Italian | 71 years |
| Amrita Monica Kaur Dhillon | Secretary | 1 May 2019 | 13 Nov 2019 | - | - |
| Brian David Stanley | Director | 31 Dec 1991 | 31 Aug 1992 | British | 83 years |
| Christopher Martin Taylor | Director | 31 Dec 1991 | 24 Dec 1992 | British | 82 years |
| Christopher Peter Martin | Secretary | 31 Dec 1991 | 14 Jul 1999 | British | - |
| Gerrit Ruitinga | Director | 21 May 2003 | 9 Jan 2011 | Dutch | 70 years |
| Graham Smith | Director | 7 Apr 1995 | 1 Apr 1997 | British | 79 years |
| Hedley Rhys Jones | Director | 28 Jan 2011 | 30 Apr 2013 | British | 60 years |
| Hedley Rhys Jones | Secretary | 28 Jan 2011 | 30 Apr 2013 | - | - |
| John Finlay Martin Auld | Director | 24 Aug 1992 | 23 Dec 1993 | British | 85 years |
| John Wesley Kitto | Director | 1 Apr 1997 | 21 May 2003 | British | 77 years |
| Laura Carter | Secretary | 30 Jul 2015 | 1 May 2019 | - | - |
| Mark James Workman | Secretary | 30 Apr 2013 | 30 Jul 2015 | - | - |
| Mohanlal Lallubhai Suthar | Director | 30 Jul 2004 | 9 Jan 2011 | British | 78 years |
| Nasser Salem Ali Ghuna Al-salem | Director | 31 Dec 1991 | 31 Dec 1992 | Kuwaiti | 81 years |
| Owen Jenkins | Director | 15 Aug 1994 | 31 Dec 1997 | British | 90 years |
| Peter Coules | Secretary | 13 Nov 2019 | 17 Feb 2025 | - | - |
| Ross Anthony Baker | Director | 2 Aug 2004 | 9 Jan 2011 | Australian | 74 years |
| Simon Peter Cowie | Director | 23 Dec 1993 | 7 Apr 1995 | British | 78 years |
| Yashvir Singh Kadan | Director | 20 Jun 1996 | 22 Oct 1998 | Indian | 83 years |
