| Christophe Andre Bernard Chapron | Director | 19 Feb 2007 | 29 Feb 2016 | French | 62 years |
| David Andrew Sherwin | Director | 10 Sept 1991 | 31 Jan 2002 | British | 79 years |
| Elizabeth Jayne Clare Cooper | Secretary | 1 Oct 2001 | 31 Jul 2003 | British | - |
| Eric James Johnson | Director | 15 Nov 1995 | 27 Jun 1997 | British | 85 years |
| Florent Thierry Antoine Duval | Director | 1 Feb 2016 | 31 Oct 2021 | French | 50 years |
| 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 | 10 Sept 1991 | 1 Nov 2001 | British | - |
| Joan Knight | Secretary | 31 Jul 2003 | 6 May 2025 | British | - |
| John Patrick Volpi | Director | 16 Aug 1995 | 15 Nov 1995 | Us | 76 years |
| Keith Charles Cartwright | Director | 10 Sept 1991 | 9 Jan 2002 | British | 85 years |
| Marek Robert Gordon | Director | 31 May 2003 | 31 Dec 2007 | British | 73 years |
| Michael Kenneth Foreman | Director | 10 Sept 1991 | 16 Aug 1995 | British | 92 years |
| Philip John Scarborough | Director | 10 Sept 1991 | 29 Jan 2002 | British | 74 years |
| Stephen Terence Mills | Director | 10 Sept 1991 | 8 Jan 2002 | British | 63 years |
| Terrence Frederick Moxon | Director | 10 Sept 1991 | 31 May 2002 | British | 90 years |
| Terrence George Mills | Director | 10 Sept 1991 | 8 Feb 2002 | British | 88 years |
| Timothy James Penfold | Director | 10 Sept 1991 | 27 Jun 1997 | British | 76 years |