| Abimbola Moradeke Adesanya | Secretary | 11 Dec 2020 | 30 May 2025 | - | - |
| Albert Caspers | Director | 25 Jun 1991 | 31 Jul 1996 | German | 92 years |
| Alec Barclay Murray | Director | 25 Jun 1991 | 30 Sept 1991 | British | 87 years |
| Andrew John Barratt | Director | 1 Jul 2015 | 29 Oct 2020 | British | 62 years |
| Barry Spendlove | Director | 8 Aug 2019 | 1 Aug 2022 | Irish | 47 years |
| Basil Joseph Coughlan | Director | 25 Jun 1991 | 1 Dec 1992 | Citezen Of Usa | 85 years |
| Bruce Lyle Blythe | Director | 25 Jun 1991 | 31 Jan 1993 | American | 81 years |
| Bruce Winfield Parkes | Secretary | 25 Jun 1991 | 31 Dec 1991 | British | - |
| Catherine O'callaghan | Director | 7 Mar 2006 | 1 Aug 2008 | British | 57 years |
| Charles Gilbert Vacy Ash | Secretary | 4 Mar 1993 | 30 Apr 1999 | British | - |
| Clive Charles Page | Secretary | 1 Jun 2015 | 31 Oct 2016 | - | - |
| Clive Charles Page | Secretary | 1 Jan 1992 | 1 Jun 2015 | British | - |
| Clive Henry Bailey | Director | 1 Apr 2015 | 14 Jun 2018 | British | 58 years |
| David Lowe | Director | 1 Sept 2011 | 31 Dec 2012 | British | 57 years |
| David William Thursfield | Director | 31 Mar 2000 | 30 Apr 2004 | British | 80 years |
| Derek Donald Barron | Director | 25 Jun 1991 | 31 Dec 1991 | British | 96 years |
| Geoffrey Ernest Ashworth | Secretary | 4 Mar 1993 | 31 Mar 1999 | British | - |
| Graham Paul Hughes | Secretary | 25 Sept 2000 | 17 Jun 2009 | Other | - |
| Graham Russell Hoare | Director | 7 Mar 2006 | 30 Apr 2021 | British | 59 years |
| Ian Gerald Mcallister | Director | 1 Sept 1991 | 28 Feb 2002 | British | 82 years |
| Jacques Albert Nasser | Director | 4 Mar 1993 | 16 Jun 1995 | Australian | 78 years |
| Jennifer Dawn Ball | Director | 1 Jan 2009 | 31 Dec 2012 | British | 51 years |
| Johan Egbert Schep | Director | 1 Nov 2019 | 24 Aug 2023 | Dutch | 55 years |
| John Arthur Oldfield | Director | 25 Jun 1991 | 16 Jun 1995 | British | 88 years |
| John Fleming | Director | 25 May 2005 | 20 Sept 2010 | British | 74 years |
| John Spencer Gardiner | Director | 1 Oct 2018 | 31 Mar 2022 | British | 63 years |
| John William Hougham | Director | 25 Jun 1991 | 1 Mar 1993 | British | 88 years |
| Joseph Greenwell | Director | 1 Jan 2009 | 30 Apr 2013 | British | 74 years |
| Kenneth Cannell | Director | 13 Aug 1991 | 20 Dec 1994 | British | 89 years |
| Kieran James Vincent Cahill | Director | 6 Dec 2016 | 31 Dec 2021 | British | 58 years |
| Lloyd Lindsey Halstead | Director | 25 Jun 1991 | 31 Dec 1992 | Citizen Of Usa | 95 years |
| Louis Robert Ross | Director | 25 Jun 1991 | 1 Jan 1993 | Citizen Of Usa | 93 years |
| Madeleine Rachel Hallward | Director | 13 Oct 2013 | 9 Dec 2019 | British | 48 years |
| Maria Antoniou | Director | 22 Nov 2001 | 31 Jan 2003 | British | 60 years |
| Mark C Turner | Director | 1 Jul 2011 | 31 Mar 2015 | American | 56 years |
| Mark Ovenden | Director | 15 Aug 2011 | 1 Jul 2015 | British | 61 years |
| Michael James Callaghan | Director | 12 Jun 1995 | 31 Dec 2001 | British | 80 years |
| Monazza Khan | Secretary | 2 Apr 2008 | 10 Jan 2025 | British | - |
| Natalie Helen Jobling | Secretary | 7 May 1999 | 17 Sept 2001 | British | - |
| Nigel Robert Sharp | Director | 1 Jan 2009 | 3 Sept 2011 | British | 79 years |
| Paul Grahame Knight | Director | 12 Jun 1995 | 31 Dec 2002 | British | 78 years |
| Paul Roger Kiernan | Director | 1 Aug 2008 | 31 Aug 2011 | British | 60 years |
| Paul Roger Thomas | Director | 1 Mar 2002 | 7 Mar 2006 | British | 73 years |
| Paul Vincent Smith | Director | 1 Jan 2003 | 28 Feb 2006 | British | 68 years |
| Peter Richard Davies | Director | 19 Dec 2017 | 9 Jul 2019 | British | 55 years |
| Richard Parry-jones | Director | 12 Jun 1995 | 8 Sept 1998 | British | 74 years |
| Robert Arthur Hill | Director | 12 Jun 1995 | 31 Dec 2000 | British | 78 years |
| Robert Mark Blenkinsop | Director | 1 Dec 2006 | 31 Dec 2008 | British | 60 years |
| Roelant De Waard | Director | 7 Feb 2006 | 31 Dec 2008 | Dutch | 63 years |
| Roger George Putnam | Director | 1 Mar 2002 | 31 Dec 2005 | British | 80 years |
| Ryan Jason Anderson | Director | 24 Mar 2009 | 30 Jun 2011 | Us Citizen | 52 years |
| Sabine Duerholt | Director | 9 May 2022 | 1 Jan 2023 | German | 53 years |
| Sean Mcilveen | Director | 1 Feb 2003 | 30 Nov 2006 | British | 58 years |
| Shaun Glanville | Director | 1 Feb 2013 | 8 Aug 2019 | British | 60 years |
| Stephen Odell | Director | 20 Sept 2010 | 30 Jan 2013 | British | 70 years |
| Stephen Robert Evison | Director | 1 Jan 2013 | 1 Jun 2014 | British | 56 years |
| Susan Lesley Pearson | Secretary | 7 May 1999 | 2 Apr 2008 | Other | - |
| Timothy Mark Slatter | Director | 1 Jan 2022 | 29 Jul 2023 | British | 51 years |
| Timothy William Holmes | Director | 24 Jul 2013 | 11 Sept 2018 | British | 66 years |
| William George Francis Brooks | Director | 25 Jun 1991 | 31 Dec 1994 | British | 89 years |