| Abdul Karim A Al-rabah | Director | 1 Jul 1995 | 17 Dec 1996 | Kuwaiti | 78 years |
| Andrew Patrick Hollis | Director | 16 Jul 2019 | 27 Sept 2023 | British | 72 years |
| Dennis William Wilkins | Director | 30 Sept 2009 | 25 Jul 2012 | Australian | 63 years |
| Dennis William Wilkins | Secretary | 15 Jun 2012 | 25 Jul 2012 | British | - |
| Eirik Tandrevold | Director | 12 Feb 1997 | 21 Nov 1997 | Norwegian | 67 years |
| Geoffrey Hewitt | Director | 5 Dec 1988 | 31 Oct 1997 | British | 78 years |
| George Charles Lucan | Director | 29 Jan 2019 | 15 Aug 2023 | British | 59 years |
| Graham Clifford Rollinson | Director | 19 Jun 1991 | 12 Feb 1997 | British | 77 years |
| James Taylor Cantlay Hay | Director | 2 Apr 1998 | 8 Nov 1999 | British | 91 years |
| Jan Erik Nilsson | Director | 12 Feb 1997 | 21 Nov 1997 | Norwegian | 86 years |
| Janet Redman | Secretary | 21 Nov 1997 | 6 Mar 2006 | British | - |
| Jerry Michael Bourgeois | Director | 12 Feb 1997 | 21 Nov 1997 | American | 83 years |
| John George Ribbons | Secretary | 30 Sept 2009 | 15 Jun 2012 | British | - |
| John Lloyd Craig Marshall | Director | 7 Dec 2011 | 25 Jul 2012 | Australian | 73 years |
| Jonathan Eldred Tidswell | Director | 25 Jul 2012 | 16 Jul 2019 | British | 50 years |
| Jonathan Eldred Tidswell | Secretary | 25 Jul 2012 | 16 Jul 2019 | British | - |
| Kenneth John Russell | Director | 30 Sept 2009 | 7 Dec 2011 | Australian | 76 years |
| Khaled Mohammed Al Othman | Director | 1 Jul 1995 | 17 Dec 1996 | Kuwaiti | 80 years |
| Khalid Rashid Al-haroon | Director | 1 Jul 1995 | 17 Dec 1996 | Kuwaiti | 76 years |
| Lars Torgeir Bjerke | Director | 12 Feb 1997 | 21 Nov 1997 | Norwegian | 78 years |
| Michael Thomas Lynch | Director | 5 Dec 1988 | 21 Dec 1994 | American | 77 years |
| Paul Abram Vonk | Director | 25 Nov 2015 | 29 Jan 2019 | Dutch | 52 years |
| Peter James Willan | Director | 5 Dec 1988 | 21 Apr 1994 | British | 83 years |
| Peter John Redman | Director | 21 Nov 1997 | 30 Sept 2009 | British | 91 years |
| Richard Herbert | Director | 15 Apr 2023 | 18 Jun 2025 | British | 68 years |
| Roger Geoffrey Turner | Director | 5 Dec 1988 | 12 Feb 1990 | British | 76 years |
| Simon Kelvin Rooksby | Director | 7 Nov 2008 | 30 Sept 2009 | British | 74 years |
| Stuart David Oakley | Director | 1 Jan 1998 | 30 Jul 1998 | British | 75 years |
| Thomas William John Redman | Director | 21 Nov 1997 | 30 Sept 2009 | British,australian | 56 years |
| Thomas William John Redman | Secretary | 6 Mar 2006 | 30 Sept 2009 | British,australian | - |
| Torstein Sanness | Director | 12 Feb 1997 | 21 Nov 1997 | Norwegian | 79 years |
| Victoria Anne Glyn | Secretary | 5 Dec 1988 | 21 Nov 1997 | British | - |