| Alfred Patrick Stirling | Director | 16 Aug 1992 | 9 Oct 2008 | British | 90 years |
| Brian James Hallett | Secretary | 24 Oct 2008 | 1 Dec 2014 | Other | - |
| Brian James Hallett | Director | 16 Aug 1992 | 1 Dec 2014 | British | 72 years |
| Derek Lucie-smith | Director | 9 Oct 2008 | 25 Apr 2014 | British | 79 years |
| Duncan James Langlands Abbot | Secretary | 1 Dec 2014 | 24 Jun 2016 | - | - |
| Duncan James Langlands Abbot | Director | 1 Dec 2014 | 24 Jun 2016 | British | 71 years |
| John Anthony Crosbie Lorimer | Director | 25 Apr 2014 | 1 Dec 2014 | British | 71 years |
| Karen Ann Clark | Secretary | 16 Aug 1992 | 24 Oct 2008 | British | - |
| Michael Charles Phillips | Director | 1 Dec 2014 | 31 Dec 2016 | British | 64 years |
| Michael Oswald Feilden | Director | 15 Dec 1992 | 24 Apr 2004 | British | 102 years |