| Charles Eugene Shackleton Strickland | Secretary | 23 Sept 2015 | 30 Jun 2020 | - | - |
| David Evison | Director | 9 Apr 2018 | 30 Nov 2022 | British | 62 years |
| George Watson | Director | 3 Dec 2004 | 1 Dec 2006 | British | 80 years |
| George Watson | Secretary | 3 Dec 2004 | 14 Jun 2005 | British | - |
| Jenny Nancy Loncaster | Secretary | 14 Jun 2005 | 20 Nov 2013 | British | - |
| Joanna Carolyn Richardson | Director | 3 Jan 2007 | 27 Feb 2008 | British | 57 years |
| Jonathan Paul Barrett | Secretary | 20 Nov 2013 | 23 Sept 2015 | - | - |
| Kevin Dean | Director | 14 Jun 2005 | 7 Nov 2014 | British | 69 years |
| Michael Goodare | Director | 3 Dec 2004 | 3 Jan 2007 | British | 63 years |
| Neil Jowsey | Director | 20 Nov 2013 | 9 Apr 2018 | British | 62 years |
| Nicholas Alexander Cyril Hildyard | Director | 10 Mar 2008 | 20 Nov 2013 | British | 72 years |
