| Anthony Gerald Edmondson Hanks | Director | 1 Aug 1991 | 31 Oct 1999 | British | 85 years |
| David John Glenn | Director | 21 Jan 2002 | 1 Jun 2014 | British | 71 years |
| David John Pugh | Director | 1 Aug 1991 | 23 Dec 2004 | British | 77 years |
| David John Pugh | Secretary | 1 Aug 1991 | 23 Dec 2004 | British | - |
| Elizabeth Helen Lyon | Director | 1 Dec 2016 | 31 Dec 2020 | British | 43 years |
| Gwyn Ellis Williams | Secretary | 23 Dec 2004 | 1 Jun 2014 | British | - |
| James Edward Brotherton | Director | 16 Mar 2021 | 3 Aug 2022 | British | 57 years |
| John Collit Milner | Director | 1 Aug 1991 | 1 Jun 2014 | British | 86 years |
| Nicholas Huntingdon Hanks | Director | 1 Aug 1991 | 1 Jun 2014 | British | 73 years |
| Robert Wood | Director | 1 Jun 2014 | 16 Mar 2021 | British | 60 years |
| Ross Edward Mcdonald | Secretary | 1 Jun 2014 | 31 Dec 2020 | - | - |
| Ross Edward Mcdonald | Director | 11 Dec 2017 | 1 Mar 2022 | British | 65 years |
| Timothy Conrad Langston Hall | Director | 1 Jun 2014 | 11 Dec 2017 | English | 73 years |
| Timothy John Billingham | Director | 1 Jun 2014 | 1 Dec 2016 | British | 46 years |
