| Adrian Roger Wyatt | Director | 7 Jun 1999 | 25 May 2012 | British | 78 years |
| Angus Alexander Dodd | Director | 27 Jun 2016 | 7 Nov 2019 | British | 59 years |
| Charlotte Ind Eastwood | Secretary | 23 Jul 2002 | 25 Oct 2004 | British | - |
| Daniel Mark Greenslade | Director | 31 Mar 2015 | 26 May 2015 | British | 50 years |
| David Nicholas Gavaghan | Director | 10 May 2010 | 16 Feb 2012 | British | 67 years |
| Edward Stratford Dugdale | Director | 7 Jun 1999 | 7 Oct 2002 | British | 67 years |
| Gail Robson Skeete | Secretary | 9 May 1998 | 31 Aug 1999 | British | - |
| Gail Robson Skeete | Secretary | 20 Oct 1999 | 30 May 2000 | British | - |
| James Nicholas Lazarus | Director | 1 May 1993 | 23 Nov 2001 | British | 70 years |
| James Robert Clark | Director | 31 May 1992 | 7 Jun 1999 | British | 84 years |
| James Robert Hamilton Stubber | Director | 14 Oct 2002 | 17 Feb 2006 | British | 72 years |
| Maxwell David Shaw James | Director | 25 May 2012 | 27 Jun 2016 | British | 59 years |
| Michael Edward Riley | Director | 13 Aug 2001 | 31 Jul 2002 | British | 66 years |
| Nicholas Simon Keith Shattock | Director | 7 Jun 1999 | 24 Mar 2011 | British | 67 years |
| Nigel George Ellis | Director | 7 Jun 1999 | 4 Sept 2007 | British | 87 years |
| Paul Hughes | Secretary | 7 Jun 1999 | 31 Jan 2000 | British | - |
| Peter Thomas Griffith Woolley | Director | 31 May 1992 | 31 Aug 1996 | British | 64 years |
| Peter Thomas Griffith Woolley | Secretary | 31 May 1992 | 31 Aug 1996 | British | - |
| Rebecca Jane Worthington | Director | 22 Aug 2001 | 31 Oct 2012 | British | 55 years |
| Rebecca Jane Worthington | Secretary | 20 Oct 1999 | 20 Jul 2002 | British | - |
| Richard James Stearn | Director | 1 Aug 2012 | 31 Mar 2015 | British | 58 years |
| Sandra Judith Odell | Secretary | 1 Jan 2013 | 5 Oct 2016 | - | - |
| Simon Geoffrey Carter | Director | 26 May 2015 | 13 Jan 2017 | British | 51 years |
| Susan Elizabeth Dixon | Secretary | 25 Oct 2004 | 1 Jan 2013 | British | - |
| Timothy David Gibson | Secretary | 31 Aug 1996 | 9 May 1998 | British | - |
| Tonianne Dwyer | Director | 30 Nov 2006 | 16 Apr 2010 | Australian | 64 years |