| Christopher Francis Gregory Girling | Director | 29 Jul 1996 | 8 Sept 1999 | British | 72 years |
| Christopher John Cundy | Director | 8 Sept 1999 | 13 Dec 2007 | British | 65 years |
| Franco Martinelli | Director | 9 Jul 2010 | 19 Nov 2019 | British | 66 years |
| Martin Jay | Director | 1 Nov 1992 | 5 Sept 2002 | British | 87 years |
| Matthew Paul Jowett | Secretary | 3 May 2005 | 9 Jul 2010 | British | - |
| Nicholas James William Borrett | Secretary | 27 Jul 2012 | 25 Feb 2013 | - | - |
| Paul John Lester | Director | 18 Oct 2002 | 9 Jul 2010 | British | 77 years |
| Peter Graham Dawes | Director | 1 Feb 1996 | 3 May 2005 | British | 78 years |
| Peter Graham Dawes | Secretary | 1 Feb 1996 | 3 May 2005 | British | - |
| Philip James Harrison | Director | 13 Dec 2007 | 9 Jul 2010 | British | 65 years |
| Stewart David Shears | Director | 1 Nov 1992 | 1 Feb 1996 | British | 77 years |
| Stewart David Shears | Secretary | 1 Nov 1992 | 1 Feb 1996 | British | - |
| Valerie Francine Anne Teller | Secretary | 9 Jul 2010 | 27 Jul 2012 | - | - |
| William Tame | Director | 9 Jul 2010 | 17 Dec 2014 | British | 72 years |