| Christina Bridget Ryan | Director | 24 Apr 2012 | 1 Jun 2012 | Irish | 66 years |
| Christopher Edward Sims | Director | 30 Oct 2018 | 16 Sept 2022 | British | 52 years |
| Christopher Paul Wides | Director | 19 Jun 2023 | 8 Mar 2024 | British | 45 years |
| Colin Graham Lees | Director | 23 Jul 2014 | 19 Jul 2018 | British | 47 years |
| Damien Patrick Scott Maltarp | Director | 7 Nov 2019 | 30 Jul 2021 | Danish | 52 years |
| Graham Sutherland | Director | 1 Jun 2012 | 30 Apr 2018 | British | 63 years |
| John Howard Watson | Director | 1 Jun 2012 | 22 Jul 2014 | British | 63 years |
| Keighly Mckenna Droy-whelan | Director | 17 Apr 2021 | 31 Mar 2023 | British | 53 years |
| Kent Reinhold Sander | Director | 31 Jul 2012 | 17 Apr 2021 | Swedish | 73 years |
| Laura Pocock | Director | 19 Jun 2023 | 8 Mar 2024 | British | 37 years |
| Louise Alison Clare Blackwell | Director | 24 Apr 2012 | 1 Jun 2012 | British | 44 years |
| Marc Anthony John Mchardy Overton | Director | 16 Sept 2022 | 30 Jun 2023 | British | 56 years |
| Mark Jonathan Hendricks | Director | 23 Jul 2014 | 7 Nov 2019 | British | 52 years |
| Nael Karim Kassar | Director | 16 May 2013 | 17 Apr 2021 | French | 47 years |
| Peter Geoffrey Scrope | Director | 31 Jul 2012 | 16 May 2013 | British | 71 years |
| Pradeep Kumar Puthussery | Director | 19 Jun 2023 | 8 Mar 2024 | British | 50 years |
| Richard John Hedley Cameron | Director | 1 Jun 2012 | 21 Jul 2014 | British | 54 years |
| Sally Belinda Jeggo Fuller | Director | 19 Jun 2023 | 8 Mar 2024 | British | 60 years |
| Sandip Thakrar | Director | 1 Nov 2021 | 30 Jun 2023 | British | 46 years |
| Stephen John Best | Director | 19 Jul 2018 | 26 May 2023 | British | 60 years |
| Thomas Barton Wasserman | Director | 31 Jul 2012 | 17 Apr 2021 | American | 52 years |