| Asheem Singh | Director | 1 Jun 2016 | 30 Jan 2017 | British | 45 years |
| Clara Denise Barby | Director | 17 Sept 2020 | 31 Dec 2023 | British | 44 years |
| Clare Tickell | Director | 18 May 2017 | 21 Nov 2019 | British | 68 years |
| David Neil Robinson | Director | 8 Nov 2011 | 18 May 2017 | British | 71 years |
| Gareth Neil Davies | Director | 8 Nov 2011 | 17 Jun 2013 | British | 53 years |
| Harvey Andrew Mcgrath | Director | 1 Jan 2014 | 25 Nov 2019 | British | 74 years |
| Helen Mary Stephenson | Director | 17 Jun 2013 | 18 Jul 2017 | British | 66 years |
| Ian Edward Lamert Davis | Director | 8 Nov 2011 | 1 Mar 2016 | British | 75 years |
| Ian Stuart Hughes | Director | 25 Nov 2019 | 17 Mar 2025 | British | 67 years |
| Janet Mary Turner Qc | Secretary | 17 Jul 2012 | 10 Jul 2015 | - | - |
| Jill Elizabeth Pitkeathley | Director | 8 Nov 2011 | 7 Jun 2018 | British | 86 years |
| John Gordon Kingston Obe | Director | 18 May 2016 | 25 Nov 2019 | British | 78 years |
| Nicholas Peter O'donohoe | Director | 23 Jun 2011 | 7 Nov 2011 | British | 69 years |
| Peter Holbrook | Director | 8 Nov 2011 | 17 Sept 2020 | British | 55 years |
| Richard Peter Lambert | Director | 8 Nov 2011 | 20 May 2015 | British | 82 years |
| Robert Donald Bell | Director | 24 Mar 2023 | 23 Oct 2025 | British | 56 years |
| Robin Francis Budenberg | Director | 20 May 2015 | 17 Sept 2020 | British | 67 years |
| Ronald Mourad Cohen | Director | 20 Apr 2011 | 1 Jan 2014 | British | 81 years |
| Stephen John Limrick Bubb | Director | 8 Nov 2011 | 10 Sept 2013 | British | 74 years |
| Stephen John Limrick Bubb | Director | 20 May 2015 | 1 Jun 2016 | British | 74 years |
| Stephen Lee Howard | Director | 1 Mar 2016 | 26 Jul 2024 | British,american | 73 years |
| Stuart James Etherington | Director | 10 Sept 2013 | 20 May 2015 | British | 71 years |
| Stuart James Etherington | Director | 30 Jan 2017 | 23 Jul 2025 | British | 71 years |