| Alan Alexander Wilson | Director | 12 Oct 1991 | 31 Jul 2002 | British | 76 years |
| Andrew Moss | Director | 11 Apr 2022 | 31 Dec 2022 | British | 62 years |
| Annabel Abell | Director | 6 Dec 2024 | 13 Aug 2025 | British | 46 years |
| Brian Keith Pudney | Director | 16 Sept 1996 | 6 Feb 2009 | British | 82 years |
| Brid Mary Meaney | Director | 31 Dec 2022 | 6 Dec 2024 | Irish | 52 years |
| Catherine Pettebone Hope-maclellan | Director | 3 May 2011 | 30 Apr 2012 | British | 61 years |
| Claire Marsh | Secretary | 2 May 2008 | 4 Jun 2010 | British | - |
| David Alan Cranston | Director | 31 Jul 2002 | 31 Dec 2016 | British | 81 years |
| Dean Leonard Clarke | Secretary | 3 Sept 2014 | 29 Sept 2017 | - | - |
| Dennis Richard Gamester | Director | 12 Oct 1991 | 17 Nov 1992 | British | 79 years |
| Duncan John Lane Eardley | Director | 6 Feb 2009 | 31 Dec 2019 | British | 59 years |
| Duncan John Lane Eardley | Secretary | 4 Jun 2010 | 31 Mar 2014 | British | - |
| James Roberts | Director | 12 Oct 1991 | 31 Jul 2006 | British | 75 years |
| Jane Sarah Goodland | Director | 17 May 2017 | 31 Dec 2019 | British | 54 years |
| Kenneth Eric Nye | Secretary | 12 Oct 1991 | 10 May 2002 | British | - |
| Mark Christian Allen | Director | 9 Nov 2006 | 31 May 2008 | British | 63 years |
| Mark David Peters | Secretary | 31 Dec 2019 | 1 Apr 2020 | - | - |
| Matthew Hilmar Cuhls | Director | 31 Dec 2019 | 12 Apr 2022 | British | 52 years |
| Michael Charles Woodcock | Director | 31 Dec 2019 | 12 Apr 2022 | British | 58 years |
| Michael Jonathan Evans | Director | 31 Oct 2001 | 30 Apr 2006 | British | 65 years |
| Michelle Ann Cracknell | Director | 6 Feb 2009 | 6 Jul 2010 | British | 62 years |
| Paul Robert Thomas Miller | Director | 1 Mar 2010 | 3 May 2011 | British | 64 years |
| Paul Shakespeare | Secretary | 1 Apr 2020 | 22 Jul 2020 | - | - |
| Penelope Ann Mckelvey | Secretary | 10 Jun 2004 | 2 May 2008 | British | - |
| Philip Andrew Trevillion | Director | 17 May 2017 | 15 May 2019 | British | 61 years |
| Quilter Cosec Services Limited | Corporate Secretary | 29 Sept 2017 | 31 Dec 2019 | United Kingdom | - |
| Roger Quentin Phillips | Director | 31 Jul 2002 | 20 Aug 2008 | British | 67 years |
| Roger Quentin Phillips | Secretary | 10 May 2002 | 10 Jun 2004 | British | - |
| Roger Quentin Phillips | Secretary | 13 Dec 2004 | 29 Sept 2005 | British | - |
| Sarah Danielle Crompton | Director | 8 Jun 2012 | 9 Feb 2018 | British | 53 years |
| Sarah Louise Davey | Secretary | 1 Apr 2014 | 3 Sept 2014 | - | - |
| Timothy John Mann | Director | 13 Jun 2006 | 4 Jan 2010 | British | 62 years |
| Victor James Dodds | Director | 12 Oct 1991 | 7 Apr 1993 | British | 82 years |
