| Andrew Christopher Bolter | Director | 28 May 2003 | 1 Dec 2005 | British | 55 years |
| Anthony Ross Cotton | Director | 1 Oct 1992 | 14 Oct 1993 | British | 82 years |
| Benjamin John Guyatt | Director | 13 Jun 2008 | 1 Jun 2011 | British | 50 years |
| Brian Edward Rossiter | Secretary | 20 Jun 1995 | 18 Mar 1998 | British | - |
| Carsten Matthias Wendt | Director | 1 Dec 2016 | 6 Sept 2021 | German | 49 years |
| Christian Leclercq | Director | 1 Sept 2008 | 31 Mar 2010 | Belgian | 60 years |
| David Jonathan Clarke | Director | 1 Jun 2011 | 1 Dec 2016 | British | 51 years |
| Dennis Michael Webb | Director | 1 Oct 1992 | 1 Mar 1994 | British | 85 years |
| Elliot John Laurie | Director | 23 Jan 2003 | 16 Jun 2008 | British | 55 years |
| Graham Dransfield | Director | 23 Mar 1994 | 29 Jan 1998 | British | 74 years |
| Graham Dransfield | Director | 19 Mar 1998 | 30 Jun 2008 | British | 74 years |
| Graham Dransfield | Secretary | 10 Dec 2007 | 30 Jun 2008 | British | - |
| John Frank Meddins | Director | 20 Jun 1995 | 18 Mar 1998 | British | 90 years |
| John Frank Meddins | Secretary | 1 Oct 1992 | 20 Jun 1995 | British | - |
| Kenneth John Ludlam | Director | 18 Mar 1998 | 28 May 2003 | British | 82 years |
| Malcolm James Ablett | Director | 26 Oct 1995 | 18 Mar 1998 | British | 73 years |
| Paul Derek Tunnacliffe | Secretary | 18 Mar 1998 | 10 Dec 2007 | British | - |
| Paul William Nicholson | Director | 9 Sept 1993 | 18 Mar 1998 | British | 68 years |
| Peter John Turner | Director | 1 Oct 1992 | 24 Feb 1997 | British | 81 years |
| Richard Robert Gimmler | Director | 1 Sept 2008 | 30 Dec 2009 | British | 58 years |
| Roger Thomas Virley Tyson | Secretary | 31 Jul 2008 | 10 Mar 2016 | British | - |
| Ross Anthony Norman Chiese | Director | 1 Oct 1992 | 23 Mar 1994 | British | 75 years |
| Ruth Coulson | Director | 1 Dec 2005 | 20 Jun 2008 | Australian | 52 years |
| Seyda Pirinccioglu | Director | 19 Jul 2010 | 31 Aug 2013 | Turkish | 54 years |