| Adrian Neil Peacock | Director | 28 Jan 2009 | 8 Jul 2009 | British | 51 years |
| Adrian Neil Peacock | Director | 19 Dec 2014 | 14 Jan 2020 | British | 51 years |
| Barry Paul Millsom | Director | 20 Jun 2017 | 13 May 2020 | British | 52 years |
| Charles Olivier Andre Dupont | Director | 20 Nov 2006 | 1 Oct 2008 | French | 73 years |
| Christophe Andre Bernard Chapron | Director | 7 Mar 2014 | 1 Mar 2016 | French | 62 years |
| Colin Michael Exford | Director | 20 Nov 2006 | 28 Jan 2009 | British | 68 years |
| Colin Michael Exford | Director | 15 Jan 2010 | 19 Dec 2014 | British | 68 years |
| Florent Thierry Antoine Duval | Director | 1 Mar 2016 | 1 Dec 2021 | French | 50 years |
| Gayayri Desai | Director | 8 Jul 2009 | 15 Jan 2010 | British | 51 years |
| Graham Arthur Mckenna-mayes | Director | 20 Nov 2006 | 28 Jun 2021 | British | 58 years |
| Gregor Scott Jackson | Director | 19 May 2016 | 3 May 2019 | British | 52 years |
| Guy Howard Cato | Director | 26 Mar 2010 | 19 Dec 2014 | British | 55 years |
| Ian Anthony Sexton | Director | 22 Sept 2006 | 31 Mar 2020 | British | 70 years |
| Joan Knight | Secretary | 22 Sept 2006 | 20 Nov 2006 | British | - |
| John James Scanlon | Director | 1 Oct 2008 | 19 Jan 2013 | Irish | 57 years |
| John Mcdonagh | Director | 19 Dec 2014 | 19 May 2016 | British | 57 years |
| Jonathan Morton Smith | Director | 20 Nov 2006 | 19 Dec 2014 | British | 75 years |
| Kirsty O'brien | Director | 19 Dec 2014 | 18 May 2018 | British | 44 years |
| Nathan John Wakefield | Director | 18 May 2018 | 12 Feb 2022 | British | 52 years |
| Paul Gavin | Director | 19 Jan 2013 | 7 Mar 2014 | British | 60 years |
| Philip Arthur Would | Director | 19 Dec 2014 | 16 Jul 2021 | British | 55 years |
| Phillip James Hall | Director | 20 Nov 2006 | 28 Jan 2009 | British | 57 years |
| Salvatore Santoro | Director | 28 Jan 2009 | 8 Jul 2009 | Italian | 49 years |
| Steve Marc Prior | Director | 19 May 2016 | 20 Jun 2017 | British | 54 years |
| William Iain Watson | Director | 8 Jul 2009 | 26 Mar 2010 | British | 57 years |