| Ailsa Mary Stroud | Secretary | 1 Nov 1997 | 25 Aug 1999 | British | - |
| Alan Peter Dickinson | Director | 22 May 2014 | 21 Jan 2021 | British | 75 years |
| Alastair James Gordon | Secretary | 16 Mar 1994 | 1 Nov 1997 | British | - |
| Andrew Nicholas Gaskell | Director | 3 Jun 2010 | 22 May 2014 | British | 76 years |
| Annette Julie Green | Director | 8 Dec 2010 | 25 May 2011 | English | 66 years |
| Brian Reid | Nominee Secretary | 16 Mar 1994 | 16 Mar 1994 | British | - |
| Christopher Robin Leslie Phillips | Director | 22 Jun 2004 | 23 Nov 2005 | British | 75 years |
| David Ian Banner | Director | 16 Mar 1994 | 19 Mar 1999 | British | 89 years |
| Donald Ross Macdonald | Director | 16 Mar 1994 | 6 Feb 2006 | British | 87 years |
| Douglas Blausten | Director | 22 Jun 2004 | 27 Feb 2006 | British | 74 years |
| Duncan Robert Hunter | Director | 22 May 2014 | 13 Feb 2019 | British | 77 years |
| Guy Timothy Patrick Brennan | Director | 22 Jun 2004 | 6 Feb 2006 | British | 65 years |
| Heather Williams | Secretary | 26 Aug 2015 | 15 Feb 2021 | - | - |
| Ian Edward Barlow | Director | 1 Sept 2016 | 21 Jan 2021 | British | 74 years |
| Jonathan Graham Di-stefano | Director | 1 Sept 2017 | 21 Jan 2021 | British | 51 years |
| Jonathan Martin Austen | Secretary | 22 Aug 2011 | 26 Aug 2015 | - | - |
| Jonathan Martin Austen | Director | 1 Sept 2008 | 1 Jul 2016 | British | 69 years |
| Julian Harvey Glicher | Director | 30 Apr 1998 | 4 Dec 2000 | British | 77 years |
| June Barnes | Director | 22 May 2014 | 21 Jan 2021 | British | 71 years |
| Keith John Price | Director | 30 Apr 1998 | 13 Aug 2002 | British | 79 years |
| Kelvin Mark Hudson | Director | 19 Sept 2002 | 3 Jun 2010 | British | 64 years |
| Kenneth Wright Grundy | Director | 19 Sept 2002 | 6 Feb 2006 | British | 81 years |
| Mark Lee Tagliaferri | Director | 22 May 2014 | 11 Jul 2018 | British | 62 years |
| Miranda Anne Kelly | Director | 20 Oct 1999 | 6 Feb 2006 | British | 55 years |
| Miranda Anne Kelly | Secretary | 25 Aug 1999 | 22 Aug 2011 | British | - |
| Nigel James Cavers Turnbull | Director | 19 Sept 2002 | 6 Feb 2006 | British | 82 years |
| Peter Norman Homer | Director | 8 Dec 1997 | 1 Sept 1998 | British | 86 years |
| Philip Alexander Jeremy Leech | Director | 19 Sept 2002 | 24 Mar 2016 | British | 62 years |
| Robert Edward Lane | Director | 19 Sept 2002 | 6 Feb 2006 | British | 59 years |
| Robert Fredrik Martin Adair | Director | 31 Mar 1994 | 20 Apr 2016 | British | 69 years |
| Robert William Dyson | Director | 5 Mar 2007 | 8 Feb 2018 | British | 76 years |
| Robin Duthie | Director | 31 Mar 1994 | 1 Jan 1999 | British | 97 years |
| Rosemary Jane Cecilia Boot | Director | 10 May 2019 | 21 Jan 2021 | British | 63 years |
| Sanjeev Sharma | Director | 10 May 2019 | 21 Jan 2021 | British | 62 years |
| Sean Dominic Hardy Cufley | Director | 19 Mar 1999 | 23 Dec 2002 | British | 70 years |
| Stephen Mabbott | Nominee Director | 16 Mar 1994 | 16 Mar 1994 | British | 75 years |
| Thomas Gerard Walsh | Director | 19 Sept 2002 | 1 Sept 2008 | Irish | 64 years |
| William Edward John Holland | Director | 6 Feb 2020 | 21 Jan 2021 | British | 60 years |
| William Penfold Wyatt | Director | 22 Jun 2004 | 22 May 2014 | British | 57 years |