| Adrian Hennah | Director | 1 Sept 1992 | 17 Jul 1995 | British | 68 years |
| Alan George Burns | Director | 3 Dec 2012 | 3 Apr 2019 | British | 50 years |
| Anne Elizabeth Prichard | Director | 27 May 1998 | 31 Jan 2001 | British | 66 years |
| Ashley Alexander Grist | Director | 9 Sept 2009 | 20 Oct 2010 | British | 60 years |
| Cameron Graham Marshall | Director | 23 Mar 2000 | 23 Oct 2001 | British | 68 years |
| Charalampos Panagiotidis | Director | 15 Feb 2019 | 2 Mar 2020 | Greek | 48 years |
| Christopher Lindsay Christian | Secretary | 1 Sept 1992 | 14 Aug 1997 | British | - |
| Ciara Martha Lynch | Director | 2 Mar 2020 | 23 Nov 2020 | Irish | 57 years |
| Darrell John Baker | Director | 17 Nov 1994 | 23 Oct 1995 | British | 72 years |
| David Arthur Jackson | Director | 17 Nov 1994 | 31 Aug 2000 | British | 85 years |
| David John Richard Farrant | Director | 1 Sept 1992 | 31 Dec 1993 | British | 97 years |
| Derek Davies | Director | 16 Aug 2010 | 14 Dec 2012 | British | 62 years |
| Douglas Malcolm Hurt | Director | 1 Jan 1999 | 31 Jan 2001 | British | 69 years |
| Ernest Mario | Director | 1 Sept 1992 | 12 May 1993 | American | 87 years |
| George James Morrow | Director | 31 Jan 1997 | 31 Dec 1998 | American | 73 years |
| Goran Albert Torstensson Ando | Director | 1 Sept 1992 | 15 Feb 1995 | Swedish | 76 years |
| Gregory Maxime Reinaud | Director | 30 Jan 2024 | 24 Jul 2024 | British | 48 years |
| Jacques Regean Lapionte | Director | 1 Apr 1994 | 31 Jan 1997 | Canadian | 79 years |
| James Borger | Director | 25 Feb 2019 | 2 Mar 2020 | American | 62 years |
| Jeffrey Royston Baxter | Director | 17 Jan 1997 | 6 Dec 1998 | British | 64 years |
| Jemma-louise Reynolds | Director | 4 Apr 2024 | 27 Jun 2025 | British | 36 years |
| Jerome Charles Maurice Andries | Director | 23 Nov 2020 | 1 Mar 2023 | French | 56 years |
| Jill Dawn Anderson | Director | 1 Mar 2023 | 25 Jun 2024 | British | 61 years |
| Joanna Susan Lecouilliard | Director | 21 Sept 1998 | 31 Jan 2001 | British | 62 years |
| John Patrick Kearney | Director | 17 Nov 1994 | 19 Jul 1999 | British | 67 years |
| Jonathan Mark Bolton | Secretary | 14 Aug 1997 | 8 Apr 1998 | British | - |
| Joseph Caldwell | Director | 17 Oct 1996 | 19 Aug 1998 | British | 76 years |
| Joseph Rodney Caldwell | Director | 1 Oct 1993 | 6 Jul 1995 | British | 76 years |
| Kate Sophie Priestman | Director | 3 May 2021 | 28 Oct 2022 | British | 52 years |
| Michael John Bailey | Director | 1 Sept 1992 | 30 Apr 2001 | British | 83 years |
| Oleg Dubianskij | Director | 31 Jan 2017 | 13 Feb 2019 | Lithuanian | 53 years |
| Robert Henry Jones | Director | 25 Feb 1993 | 12 May 1993 | British | 83 years |
| Ronald Nightingale | Director | 1 Sept 1992 | 31 Jan 1996 | British | 88 years |
| Sean Patrick Lance | Director | 1 Sept 1992 | 7 Sept 1994 | Irish | 78 years |
| Simon Michael Bicknell | Secretary | 8 Apr 1998 | 15 Feb 1999 | British | - |
| Stephen John Powell | Director | 1 Oct 1993 | 31 Mar 1999 | British | 67 years |
| William Ifan Glynn-williams | Director | 1 Sept 1992 | 31 Oct 1993 | British | 92 years |
| William Proudlock | Director | 1 Sept 1992 | 31 Dec 1997 | British | 85 years |
| Ziba Shamsi | Director | 28 Oct 2022 | 13 Sept 2023 | British | 54 years |