| Andrew Barrett | Director | 19 Jun 2015 | 7 Sept 2015 | British | 38 years |
| Christopher Peter Gaydon | Director | 6 Aug 2018 | 15 Jan 2021 | Hungarian | 48 years |
| David Hastings | Director | 21 Dec 2018 | 15 Jan 2021 | British | 60 years |
| Filipe Almeida Dos Santos | Director | 4 Oct 2012 | 4 Oct 2012 | Portuguese | 57 years |
| Filipe Almeida Dos Santos | Director | 4 Oct 2012 | 4 Feb 2013 | Portuguese | 57 years |
| Filippo Malvezzi Campeggi | Director | 6 Aug 2018 | 21 Dec 2018 | Italian | 42 years |
| Giuseppe La Loggia | Director | 11 Nov 2014 | 19 Jun 2015 | Italian | 51 years |
| Giuseppe La Loggia | Director | 16 Sept 2015 | 20 Jun 2016 | Italian | 51 years |
| Joanna Leigh | Director | 20 Jun 2016 | 12 Dec 2016 | British | 44 years |
| Jonathan Charles Nigel Digges | Director | 21 Jul 2015 | 20 Jun 2016 | British | 56 years |
| Kamalika Ria Banerjee | Secretary | 25 Oct 2017 | 19 Feb 2018 | - | - |
| Karen Ward | Secretary | 1 May 2015 | 16 May 2016 | - | - |
| Kate Henriatta Covill | Secretary | 28 May 2012 | 4 Oct 2012 | - | - |
| Kate Henrietta Covill | Director | 28 May 2012 | 4 Oct 2012 | British | 56 years |
| Katrina Anne Shenton | Director | 20 Jun 2016 | 6 Aug 2018 | British | 55 years |
| Laura Gemma Halstead | Director | 15 Jan 2021 | 29 Aug 2023 | British | 44 years |
| Martijn Christian Kleibergen | Director | 4 Feb 2013 | 11 Nov 2014 | Dutch | 54 years |
| Nicholas Pascoe | Director | 28 May 2012 | 4 Oct 2012 | British | 58 years |
| Nicholas Pascoe | Secretary | 28 May 2012 | 4 Oct 2012 | - | - |
| Nicholas Thomson Boyle | Director | 4 Feb 2013 | 21 Jul 2015 | British | 60 years |
| Nicola Board | Secretary | 7 Aug 2013 | 1 May 2015 | - | - |
| Ocs Services Limited | Corporate Director | 7 Sept 2015 | 16 Sept 2015 | United Kingdom | - |
| Paul Stephen Latham | Director | 20 Jun 2016 | 15 Jan 2021 | British | 70 years |
| Ricardo Jorge De Almeida Meireles | Director | 4 Oct 2012 | 4 Feb 2013 | Portuguese | 52 years |
| Sarah Mary Grant | Director | 6 Aug 2018 | 20 Nov 2019 | British | 53 years |
| Sharna Ludlow | Secretary | 16 May 2016 | 11 Oct 2016 | - | - |
| Sharna Ludlow | Secretary | 14 Jun 2017 | 15 Nov 2018 | - | - |
| Thomas James Rosser | Director | 12 Dec 2016 | 6 Aug 2018 | British | 41 years |
| Tracey Jane Spevack | Secretary | 4 Feb 2013 | 7 Aug 2013 | - | - |
