| Barry Joseph Thorne | Director | 12 Aug 1998 | 31 May 2002 | British | 77 years |
| Brian Henry Hussey | Director | 26 Oct 1991 | 29 Mar 1993 | British | 68 years |
| Carmel Catherine Stephens | Director | 12 May 1995 | 15 Mar 1998 | British | 79 years |
| Christophe Andre Bernard Chapron | Director | 19 Feb 2007 | 1 Feb 2016 | French | 62 years |
| Daniel James Stephens | Director | 26 Oct 1991 | 15 Mar 1998 | British | 80 years |
| David Andrew Sherwin | Director | 20 Apr 1999 | 31 Jan 2002 | British | 79 years |
| David Courtenay Palmer-jones | Director | 1 Oct 2008 | 3 Jun 2015 | British | 63 years |
| Deborah Ann Rossi | Secretary | 15 Mar 1998 | 20 Apr 1999 | British | - |
| Elizabeth Jayne Clare Cooper | Secretary | 1 Nov 2001 | 31 Jul 2003 | British | - |
| Enid Elvira Hussey | Director | 26 Oct 1991 | 29 Mar 1993 | British | 93 years |
| Florent Thierry Antoine Duval | Director | 1 Feb 2016 | 10 Jul 2020 | French | 50 years |
| Graeme Derek Thomas Coombs | Director | 1 Aug 1993 | 31 May 2002 | British | 69 years |
| Graeme Derek Thomas Coombs | Secretary | 31 Jan 1995 | 15 Mar 1998 | British | - |
| Ian Anthony Sexton | Director | 1 Oct 2001 | 19 Feb 2007 | British | 70 years |
| Ian Frederick Goodfellow | Director | 1 Oct 2001 | 31 May 2003 | British | 72 years |
| Jack Malcolm Lewis | Secretary | 20 Apr 1999 | 1 Nov 2001 | British | - |
| John Anthony Church | Director | 17 Jan 2000 | 8 Jan 2002 | British | 78 years |
| Per-anders Hjort | Director | 31 May 2003 | 1 Oct 2008 | Swedish | 68 years |
| Philip John Scarborough | Director | 20 Apr 1999 | 23 Jan 2002 | British | 74 years |
| Stephen Terence Mills | Director | 20 Apr 1999 | 8 Jan 2002 | British | 63 years |
| Terrence George Mills | Director | 20 Apr 1999 | 7 Feb 2002 | British | 88 years |
| Vera Lilian Wall | Director | 1 Oct 1993 | 31 Jan 1995 | British | 91 years |
| Vera Lilian Wall | Secretary | 26 Oct 1991 | 31 Jan 1995 | British | - |
| Veronica Stephens | Director | 2 Mar 1998 | 31 Mar 1999 | Irish | 55 years |
| William John Lidsey | Director | 29 Mar 1993 | 1 Aug 1994 | British | 97 years |