| Christopher James Odom | Director | 1 Feb 2007 | 1 Feb 2010 | British | 74 years |
| David Gary Silverman | Director | 16 Jun 2008 | 14 Apr 2022 | British | 56 years |
| Edward Peter Mitchell Fothergill Smith | Director | 20 Jun 1992 | 9 May 2006 | British | 77 years |
| Edward Peter Mitchell Fothergill Smith | Secretary | 20 Jun 1992 | 13 Oct 1999 | British | - |
| John David Burns | Director | 1 Feb 2007 | 17 May 2019 | British | 81 years |
| Martin Andrew Pexton | Director | 24 Jun 2003 | 1 Feb 2007 | British | 69 years |
| Nicholas Gordon Ellis Driver | Director | 24 Oct 1994 | 11 Mar 2004 | British | 81 years |
| Nicholas Robert Friedlos | Director | 11 Mar 2004 | 18 Jul 2007 | British | 68 years |
| Nicholas Thomas Julian Groves | Director | 24 Jun 2003 | 9 Jan 2006 | British | 62 years |
| Peter Jeremy Hind | Director | 20 Jun 1992 | 21 Oct 1994 | British | 75 years |
| Robert Anthony Rayne | Director | 24 Oct 1994 | 1 Feb 2007 | British | 76 years |
| Roderick John Pearson | Director | 24 Oct 1994 | 24 Jun 2003 | British | 78 years |
| Simon Colin Mitchley | Secretary | 13 Oct 1999 | 1 Feb 2007 | British | - |
| Simon Paul Silver | Director | 1 Feb 2007 | 26 Feb 2021 | British | 75 years |
| Timothy James Kite | Secretary | 1 Feb 2007 | 2 Oct 2017 | British | - |