| Andrew Martin Pollins | Director | 4 Jun 2020 | 1 Feb 2023 | British | 59 years |
| Claude Turbet | Director | 1 Jan 2016 | 31 Dec 2018 | French | 68 years |
| Colin Stephen Hale | Director | 24 Jul 2012 | 9 Dec 2013 | British | 70 years |
| Etienne Jacques Andre Jacolin | Director | 15 Dec 2014 | 1 Apr 2016 | French | 65 years |
| Jean-philippe Marc Vincent Loiseau | Director | 27 Sept 2021 | 27 Sept 2021 | French | 58 years |
| Jerome Marie Georges Tolot | Director | 15 Dec 2014 | 30 May 2016 | French | 74 years |
| Judith Hartmann | Director | 1 Jun 2016 | 11 Jan 2017 | Austrian | 57 years |
| Michael Andrew Booth | Director | 24 Jul 2012 | 9 Dec 2013 | British | 52 years |
| Michael Andrew Booth | Secretary | 24 Jul 2012 | 9 Dec 2013 | - | - |
| Nicola Elizabeth Anne Lovett | Director | 17 May 2019 | 30 Sept 2021 | British | 57 years |
| Rosanna Longobardi | Director | 26 Feb 2019 | 1 Feb 2023 | British | 55 years |
| Sarah Gregory | Secretary | 1 May 2015 | 15 Jul 2022 | - | - |
| Sarah Jane Gregory | Director | 2 Sept 2021 | 31 Oct 2021 | British | 61 years |
| Sarah Jane Gregory | Director | 31 Jan 2022 | 4 Feb 2022 | British | 61 years |
| Simon David Pinnell | Director | 1 Jan 2016 | 4 Jun 2020 | British | 62 years |
| Simone Tudor | Secretary | 9 Dec 2013 | 5 Jan 2015 | - | - |
| Vincent Andre Manier | Director | 9 Dec 2013 | 5 Mar 2014 | French | 46 years |
| Wilfrid John Petrie | Director | 25 Oct 2013 | 1 May 2019 | French | 61 years |
| Yanick Bigaud | Director | 15 Dec 2014 | 1 Apr 2016 | French | 65 years |