| Andrew Mark Reaney | Director | 7 May 2020 | 9 Sept 2022 | British | 59 years |
| Christopher John Stern | Director | 12 Apr 2007 | 23 Sept 2010 | English | 69 years |
| Christopher John Stern | Director | 15 Dec 2011 | 31 Mar 2017 | English | 69 years |
| David Keith Young | Director | 1 Jul 2019 | 7 May 2020 | British | 63 years |
| David Philip Kendle | Director | 12 Apr 2007 | 30 Sept 2017 | British | 70 years |
| David William Elliot Alexander | Director | 6 Jan 2014 | 1 Jul 2019 | British | 65 years |
| Emma Ariadne Henrietta Connell | Director | 1 Jan 2018 | 9 Sept 2022 | British | 54 years |
| Janette Susan Bell | Director | 12 Apr 2007 | 30 Sept 2009 | British | 62 years |
| Jayne Louise Rowan | Secretary | 4 Oct 2006 | 12 Apr 2007 | British | - |
| Kevin Michael D'arcy | Director | 12 Apr 2007 | 31 Mar 2017 | British | 63 years |
| Mark Wynne Whitbread | Director | 15 Dec 2011 | 14 Jun 2017 | British | 67 years |
| Martin Gerard Rowan | Director | 4 Oct 2006 | 6 Apr 2011 | Irish | 64 years |
| Michael Inns | Director | 12 Apr 2007 | 30 Jun 2015 | British | 83 years |
| Oliver Mark Smedley | Director | 30 Mar 2015 | 25 Jan 2018 | British | 56 years |
| Stuart David Phillips | Director | 9 Sept 2022 | 1 Dec 2022 | British | 49 years |
| Suzanna Marjan Temple-morris | Director | 6 Apr 2011 | 23 May 2011 | British | 56 years |
| Toby James Bailey Siddall | Director | 6 Oct 2009 | 23 Sept 2010 | British | 55 years |