| Adrian Micheal Nixon | Director | 31 Mar 2011 | 31 Mar 2014 | British | 56 years |
| Anya Marjorie O'reilly | Director | 13 Feb 2013 | 15 Aug 2014 | British | 52 years |
| Bernadette Clare Barber | Secretary | 22 Mar 2003 | 3 Jun 2005 | British | - |
| Brian Robert Jones | Director | 3 Apr 1992 | 31 Oct 1998 | British | 80 years |
| Christopher Charles Aujard | Director | 31 Oct 2007 | 31 Mar 2011 | Australian | 64 years |
| John Robert Tovey | Director | 3 Apr 1992 | 30 Jul 2005 | British | 78 years |
| Kenny Fenna | Director | 3 May 2019 | 3 Dec 2020 | British | 62 years |
| Lesley Mitchell | Director | 10 Dec 2020 | 14 Oct 2022 | British | 51 years |
| Mark Christopher Beesley | Director | 3 Apr 1992 | 30 Jun 1999 | British | 81 years |
| Martin Pierce Lewis | Director | 19 Mar 2012 | 31 Dec 2022 | British | 63 years |
| Murray John Ross | Director | 29 Jul 2005 | 28 Jun 2007 | British | 79 years |
| Murray John Ross | Secretary | 2 Apr 1996 | 22 Mar 2003 | British | - |
| Paul Frederick Thomas Langton | Director | 28 Jun 2007 | 31 Oct 2007 | British | 61 years |
| Shingirai Thaddeus Nyahasha | Director | 15 Aug 2014 | 22 Jul 2016 | British | 52 years |
| Stephen Shone | Director | 1 Jul 1999 | 13 Feb 2013 | British | 69 years |
| Sven Dean Farmer | Secretary | 3 Apr 1992 | 2 Apr 1996 | British | - |
| Timothy Walter Harris | Director | 18 Jul 2016 | 3 May 2019 | British | 57 years |