| Aflah Hamed Salim Al-rawahy | Director | 11 Oct 1991 | 23 Dec 1996 | Omani | 78 years |
| Andrew Harry Ball | Director | 11 Oct 1991 | 9 Mar 1993 | British | 80 years |
| Anthony Lancelot Parker | Secretary | 11 Oct 1991 | 23 Dec 1996 | British | - |
| Charles Graham Coles | Director | 23 Dec 1996 | 18 Jun 1999 | British | 74 years |
| David Allan Smith | Director | 18 Jun 1999 | 19 Aug 2005 | British | 80 years |
| David Allan Smith | Secretary | 18 Jun 1999 | 19 Aug 2005 | British | - |
| Frederick Alan Fosler | Director | 18 Jun 1999 | 19 Aug 2005 | British | 92 years |
| Gary Preston Shillingham | Secretary | 23 Dec 1996 | 19 Jan 1999 | British | - |
| Harold James Large | Director | 11 Oct 1991 | 5 Jan 1995 | British | 107 years |
| Ian Charles Pople | Director | 23 Dec 1996 | 18 Jun 1999 | British | 67 years |
| Is-haq Hamed Salim Al-rawahy | Director | N/A | 23 Dec 1996 | Omani | 69 years |
| Jeffrey Mark Pulsford | Director | 23 Dec 1996 | 18 Jun 1999 | British | 67 years |
| John Anthony Gade | Director | 11 Oct 1991 | 20 Feb 1992 | British | 89 years |
| Jonathan Wheeler | Secretary | 19 Jan 1999 | 18 Jun 1999 | British | - |
| Julian Michael Gowing | Director | 18 Apr 2008 | 25 Mar 2010 | British | 62 years |
| Keith Alan Holman | Director | 18 Jun 1999 | 19 Aug 2005 | British | 81 years |
| Paul Anthony Sullivan | Director | 11 Oct 1991 | 23 Dec 1996 | British | 85 years |
| Peirs Anthony Constantine Howard Phipps | Director | 1 Mar 2004 | 19 Aug 2005 | British | 85 years |
| Richard James Smith | Secretary | 19 Aug 2005 | 16 Feb 2006 | British | - |
| Robert Rimmington | Director | 1 Mar 2004 | 19 Aug 2005 | British | 72 years |
| Rupert John Boissier | Director | 13 Apr 2000 | 7 May 2015 | British | 59 years |
| Timothy Lynn Grove | Director | 11 Oct 1991 | 23 Dec 1996 | British | 85 years |
| Timothy Richard Mason | Director | 1 Jan 1999 | 18 Apr 2008 | British | 63 years |
| Trevor Raymond Allen | Secretary | 16 Feb 2006 | 3 Jul 2014 | British | - |