| Christine Susan Avis | Nominee Director | 24 Sept 1992 | 10 Dec 1992 | British | 62 years |
| Christopher James Hodgkins | Director | 9 Nov 1993 | 8 Apr 2014 | British | 77 years |
| Christopher James Hodgkins | Secretary | 10 Dec 1992 | 8 Apr 2014 | British | - |
| Ian Robert Wohlman | Director | 8 Apr 2014 | 10 Nov 2021 | British | 72 years |
| Jo Javier Jenner | Director | 8 Apr 2014 | 1 Sept 2017 | British | 52 years |
| John Peter Hughes | Director | 1 Sept 2017 | 31 Mar 2025 | British | 65 years |
| Mark Beresford Owen-jones | Director | 18 Jul 2012 | 8 Apr 2014 | British | 65 years |
| Mark Howard | Director | 8 Apr 2014 | 31 Dec 2015 | British | 58 years |
| Michael Richard Francis | Director | 8 Apr 2014 | 15 Oct 2020 | British | 60 years |
| Robert Talbot Arthur Smith | Director | 10 Dec 1992 | 8 Apr 2014 | United Kingdom | 88 years |
| Ryan James Eric Tholet | Director | 10 May 2021 | 15 Aug 2025 | South African | 50 years |
| Sheila Smith | Nominee Secretary | 24 Sept 1992 | 10 Dec 1992 | British | - |