| Andrea Wilson | Secretary | 14 Nov 2012 | 23 May 2013 | - | - |
| Christopher Robert Hulatt | Director | 23 May 2013 | 19 Jun 2015 | British | 50 years |
| David Hastings | Director | 21 Dec 2018 | 15 Jan 2021 | British | 60 years |
| Filippo Malvezzi Campeggi | Director | 6 Aug 2018 | 21 Dec 2018 | Italian | 42 years |
| Giuseppe La Loggia | Director | 24 Aug 2015 | 20 Jun 2016 | Italian | 51 years |
| James Anthony Lee | Director | 23 May 2013 | 21 Mar 2014 | Australian | 56 years |
| Jan Willem Sisson | Director | 14 Nov 2012 | 23 May 2013 | British | 53 years |
| Joanna Leigh | Director | 20 Jun 2016 | 12 Dec 2016 | British | 44 years |
| Jonathan Charles Nigel Digges | Director | 6 Aug 2018 | 15 Jan 2021 | British | 56 years |
| Kamalika Ria Banerjee | Secretary | 25 Oct 2017 | 19 Feb 2018 | - | - |
| Karen Ward | Secretary | 1 May 2015 | 16 May 2016 | - | - |
| 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 |
| Matthew George Setchell | Director | 6 Aug 2018 | 15 Jan 2021 | British | 49 years |
| Matthew Sheppee | Director | 21 Jul 2015 | 23 Feb 2016 | British | 44 years |
| Nicola Board | Secretary | 7 Aug 2013 | 1 May 2015 | - | - |
| Ocs Services Limited | Corporate Director | 19 Jun 2015 | 24 Aug 2015 | United Kingdom | - |
| Paul Stephen Latham | Director | 23 May 2013 | 19 Jun 2015 | British | 70 years |
| Paul Stephen Latham | Director | 20 Jun 2016 | 15 Jan 2021 | British | 70 years |
| Sarah Mary Grant | Director | 12 Dec 2016 | 6 Aug 2018 | British | 53 years |
| Sharna Ludlow | Secretary | 16 May 2016 | 11 Oct 2016 | - | - |
| Sharna Ludlow | Secretary | 14 Jun 2017 | 15 Nov 2018 | - | - |
| Thomas Rosser | Director | 23 Feb 2016 | 20 Jun 2016 | British | 41 years |
| Timothy Arthur | Director | 21 Mar 2014 | 21 Jul 2015 | British | 64 years |
| Tracey Spevack | Secretary | 23 May 2013 | 7 Aug 2013 | - | - |