| Charles Bennett Brown | Director | 1 Mar 1999 | 26 May 2000 | British | 60 years |
| David Llewellyn | Director | 28 Jun 1996 | 24 Aug 1996 | British | 82 years |
| Derek William Jenkins | Director | 21 Jun 1995 | 30 May 1997 | British | 92 years |
| Frank James Standish | Director | 26 May 2000 | 1 Jul 2000 | British | 63 years |
| Frank James Standish | Secretary | 1 Mar 1999 | 1 Jul 2000 | British | - |
| Jason Alexander Smalley | Director | 31 Jul 2009 | 22 Oct 2016 | British | 57 years |
| Javier Francisco Suarez | Director | 21 Nov 2006 | 16 Jul 2008 | American | 56 years |
| John Anthony Robinson | Director | 1 Mar 1999 | 1 Apr 2004 | British | 78 years |
| John Camden | Director | 26 Apr 1992 | 30 Apr 1993 | British | 101 years |
| John Malcolm Philpott Soper | Director | 30 Apr 1993 | 21 Jun 1995 | British | 92 years |
| Marco Antonio Moreno Estrada | Director | 25 Feb 2005 | 31 Jul 2009 | Mexican | 71 years |
| Michael David Hampson | Director | 30 May 1997 | 1 Jul 2000 | British | 68 years |
| Michael Leslie Collins | Director | 1 Jul 2000 | 16 Mar 2015 | British | 70 years |
| Michael Leslie Collins | Secretary | 1 Jul 2000 | 1 Apr 2004 | British | - |
| Narinder Nath Kalia | Director | 2 Sept 1996 | 1 Mar 1999 | British | 86 years |
| Narinder Nath Kalia | Secretary | 26 Apr 1992 | 1 Mar 1999 | British | - |
| Peter Hamilton Fulke Bullard | Director | 21 Jun 1995 | 28 Jun 1996 | British | 92 years |
| Peter Lance Young | Director | 26 Apr 1992 | 21 Jun 1995 | British | 88 years |
| Robert Ernest Lambourne | Director | 30 May 1997 | 1 Mar 1999 | British | 74 years |
| Roy Leslie Flood | Director | 25 Feb 2005 | 9 Jan 2007 | English | 76 years |
| Stephen Bottle | Director | 1 Jul 2000 | 25 Feb 2005 | British | 69 years |