| Aderemi Ladega | Secretary | 11 Apr 2005 | 30 Jun 2010 | British | - |
| Alan Henry Haywood | Director | 1 Nov 2014 | 1 Jan 2017 | British | 60 years |
| Andrea Margaret Thomas | Secretary | 1 Sept 1997 | 11 Apr 2005 | Other | - |
| Anthony Bryan Hayward | Director | 1 Sept 2000 | 1 Nov 2002 | British | 69 years |
| Brian Peevor | Secretary | 1 Apr 1994 | 31 Aug 1997 | British | - |
| Byron Elmer Grote | Director | 16 Sept 1992 | 31 Dec 1993 | British And Us Citizen | 78 years |
| Catherine Ann Mccann | Director | 1 Feb 2022 | 6 Jun 2023 | British | 60 years |
| Christopher Kuangcheng Gerald Eng | Secretary | 23 Mar 2009 | 30 Jun 2010 | - | - |
| Clinton Bernard Ashton Jones | Director | 2 Aug 2004 | 31 Aug 2004 | British | 76 years |
| Constance Heloise Lumsden | Director | 1 Jan 2022 | 3 Apr 2025 | British | 55 years |
| David Alan Rider | Director | 6 Oct 2014 | 30 Nov 2020 | British | 62 years |
| David James Bucknall | Director | 1 Jan 2012 | 1 Nov 2014 | British | 58 years |
| David Robert Watson | Director | 1 Oct 1996 | 1 Sept 2000 | British | 74 years |
| Debasish Satya Sanyal | Director | 1 Aug 2007 | 1 Jan 2012 | British | 61 years |
| Douglas Patrick Chapman | Director | 1 Nov 2002 | 31 Jul 2007 | British | 76 years |
| Fiona Victoria Ryder | Director | 30 Nov 2020 | 17 Dec 2021 | British | 51 years |
| Francis William Michael Starkie | Director | 1 Dec 1998 | 30 Sept 2009 | British | 77 years |
| Gary Christian Greve | Director | 1 Jan 1994 | 31 Aug 1995 | Us Citizen | 77 years |
| John Gordon Sinclair Buchanan | Director | 1 Sept 1995 | 30 Sept 1996 | British | 83 years |
| Julian John Watts | Secretary | 25 Dec 1991 | 31 Mar 1994 | New Zealand | - |
| Juliet Nadine Filose | Director | 19 Apr 2016 | 1 Jun 2021 | British | 66 years |
| Katherine Anne Thomson | Director | 1 Jan 2017 | 1 Feb 2022 | British | 58 years |
| Myddleton Robert Pennant Jones | Director | 25 Dec 1991 | 6 Jan 1994 | British | 88 years |
| Paul Lightle Fowler | Director | 15 May 1992 | 1 Nov 1992 | Usa | 79 years |
| Philip Roy Trimmer | Director | 24 Jul 1998 | 13 Oct 1998 | British | 79 years |
| Raymond Keith Hinkley | Director | 1 Nov 1992 | 1 Dec 1998 | British | 79 years |
| Richard Lake Olver | Director | 25 Dec 1991 | 16 Mar 1992 | British | 79 years |
| Richard Murray Preston | Director | 2 Aug 2004 | 23 Nov 2004 | British | 82 years |
| Roger Christopher Harrington | Director | 1 Oct 2009 | 6 Oct 2014 | British | 60 years |
| Steven Wellesley Percy | Director | 25 Dec 1991 | 30 Jun 1992 | United States | 80 years |
| Yasin Stanley Ali | Secretary | 19 Feb 2001 | 30 Jun 2010 | - | - |
