| Anna Maria Dugdale | Director | 1 Feb 2016 | 31 Dec 2019 | British | 60 years |
| Anthony John Habgood | Director | 27 Sept 2018 | 28 Sept 2023 | British | 80 years |
| Anthony Nicholas George Duckworth Chad | Director | 24 May 2006 | 6 Jun 2018 | British | 84 years |
| Billy Hunter | Director | 1 Jun 1992 | 11 Feb 2001 | British | 105 years |
| Brian Henry Neale | Director | 30 Oct 1991 | 26 May 2010 | British | 78 years |
| David James Bruce Coventry | Director | 4 May 2010 | 20 Dec 2017 | British | 74 years |
| David Victor Woods | Director | 23 Feb 2000 | 24 May 2006 | British | 68 years |
| Donald Carter | Director | 4 May 2010 | 29 Mar 2019 | British | 77 years |
| Emily Clare Vinters | Director | 31 Jan 2019 | 26 Oct 2023 | British | 48 years |
| Geoffrey Furness | Director | 13 Jun 1991 | 26 May 1993 | British | 112 years |
| Geoffrey Furness | Secretary | 13 Jun 1991 | 26 May 1993 | British | - |
| Gerald William Victor Daniels | Secretary | 30 Jul 2008 | 6 Jun 2018 | British | - |
| Jonathan Martin Gibbins | Secretary | 6 Jun 2018 | 5 Mar 2020 | - | - |
| Jonathan Robert Barclay | Director | 24 May 2006 | 25 Feb 2015 | British | 79 years |
| Michael Henry Dixon | Director | 30 Jul 2008 | 26 May 2010 | British | 78 years |
| Michael Henry Dixon | Secretary | 8 Sept 1993 | 30 Jul 2008 | British | - |
| Raymond Charles Frostick | Director | 13 Jun 1991 | 28 May 2005 | British | 95 years |
| Roy Arthur Burton | Director | 1 Feb 2006 | 26 May 2010 | British | 86 years |
| Stanley Herbert Tuddenham | Director | 13 Jun 1991 | 13 Jun 2001 | British | 110 years |
| Thomas Hector Atkins | Director | 26 Jul 1995 | 31 May 2014 | British | 81 years |