| Ailsa Mary Stroud | Director | 26 Aug 1998 | 25 Aug 1999 | British | 56 years |
| Alastair James Gordon | Director | 31 Mar 1994 | 31 May 2000 | British | 84 years |
| Alistair Barclay Wilson | Director | 1 Feb 2003 | 6 Jul 2009 | British | 83 years |
| Anton John Godfrey Bilton | Director | 14 May 1997 | 9 Apr 1999 | British | 61 years |
| Brian Reid | Nominee Secretary | 21 Mar 1994 | 21 Mar 1994 | British | - |
| Donald Ross Macdonald | Director | 31 Mar 1994 | 15 Jun 2007 | British | 87 years |
| Eric Hugh Ross | Director | 23 Aug 1996 | 19 Feb 1999 | British | 74 years |
| Eric Hugh Ross | Secretary | 1 Jul 1994 | 19 Feb 1999 | British | - |
| Heather Williams | Secretary | 9 Feb 2018 | 23 Feb 2021 | - | - |
| Jane Alexandra Waddell | Director | 31 Mar 1994 | 31 Jul 1998 | British | 60 years |
| Jonathan Martin Austen | Director | 1 May 2009 | 1 Jul 2016 | British | 69 years |
| Kimm Humphreys | Director | 14 May 1997 | 9 Apr 1999 | British | 70 years |
| Michael John Chicken | Director | 31 Mar 1994 | 1 Oct 1998 | British | 65 years |
| Michael John Chicken | Secretary | 31 Mar 1994 | 1 Jul 1994 | British | - |
| Miranda Anne Kelly | Director | 16 Feb 2000 | 28 Jun 2013 | British | 55 years |
| Philip Alexander Jeremy Leech | Director | 9 Mar 2007 | 21 Jun 2021 | British | 62 years |
| Robert Fredrik Martin Adair | Director | 31 Mar 1994 | 4 Jul 1996 | British | 69 years |
| Robin Edward Gibson | Director | 31 Mar 1994 | 31 Aug 1999 | British | 60 years |
| Sean Dominic Hardy Cufley | Director | 21 Oct 1999 | 23 Dec 2002 | British | 70 years |
| Stephen Mabbott | Nominee Director | 21 Mar 1994 | 21 Mar 1994 | British | 75 years |
| Thomas Gerard Walsh | Director | 9 Mar 2007 | 1 Jul 2013 | Irish | 64 years |
| Tracey Margaret Ginn | Director | 31 Mar 1994 | 24 Apr 1998 | British | 61 years |