| Deborah Pamela Hamilton | Secretary | 8 Jan 2009 | 22 Sept 2014 | British | - |
| Geoffrey Clark | Director | 1 Oct 1992 | 17 Jun 2003 | British | 82 years |
| George Anthony Norman | Director | 1 Oct 1992 | 24 Nov 1995 | English | 88 years |
| Ian Paul Woods | Director | 1 Oct 1992 | 5 Feb 1996 | British | 69 years |
| Ian Paul Woods | Secretary | 1 Oct 1992 | 5 Feb 1996 | British | - |
| James Stewart French | Director | 31 Jan 2001 | 4 Jul 2003 | British | 79 years |
| John Stanley Henke | Director | 1 Aug 1995 | 17 Jun 2003 | British | 71 years |
| Martin Mansfield Rooke | Director | 1 Oct 1997 | 30 Nov 2008 | British | 74 years |
| Martin Mansfield Rooke | Secretary | 1 Oct 1997 | 30 Nov 2008 | British | - |
| Martin Peter Weston Scarth | Director | 1 Oct 1992 | 12 Oct 1994 | British | 83 years |
| Matthew Armitage | Secretary | 13 Apr 2015 | 16 Jul 2015 | - | - |
| Michael James Preston | Director | 1 Oct 1992 | 31 Aug 1995 | British | 86 years |
| Nigel Alan Higgins | Director | 30 Nov 2008 | 22 Mar 2016 | British | 70 years |
| Nigel Alan Higgins | Secretary | 30 Nov 2008 | 8 Jan 2009 | British | - |
| Peter Hawes | Director | 1 Nov 2000 | 17 Jun 2003 | British | 79 years |
| Richard Hugh Mcmurdo Sweet | Director | 5 Feb 1996 | 30 Sept 1997 | British | 88 years |
| Richard Hugh Mcmurdo Sweet | Secretary | 5 Feb 1996 | 30 Sept 1997 | British | - |
| Richard William Side | Director | 5 Feb 1996 | 31 Jan 2001 | British | 80 years |
| Richard William Side | Director | 17 Jun 2003 | 8 Nov 2008 | British | 80 years |
| Roy William Murphy | Director | 1 Oct 1992 | 17 Jun 2003 | British | 75 years |
| Tempsford Oaks Limited | Corporate Director | 8 Nov 2008 | 16 May 2017 | United Kingdom | - |
| Thomas Lee Foreman | Director | 16 May 2017 | 26 Oct 2018 | British | 50 years |