| Andrea Eberts | Director | 17 Jul 2015 | 3 Dec 2015 | Usa | 44 years |
| Andrew Liddell | Director | 15 Jan 2022 | 28 Jun 2024 | British | 55 years |
| Andrew Liddell | Director | 26 Mar 2025 | 8 Sept 2025 | British | 55 years |
| Annaliza Lilian Willis | Director | 17 Apr 2012 | 27 Jan 2021 | British | 49 years |
| Billy Neale Richmond | Director | 3 Feb 2009 | 18 Jul 2012 | British | 60 years |
| Charles Napier Williams | Director | 24 Apr 2009 | 31 Mar 2015 | British | 65 years |
| Christopher Stuart Thomas | Director | 1 May 2011 | 17 Apr 2012 | British | 43 years |
| Colin Ormston | Director | 22 May 2009 | 20 Apr 2014 | British | 67 years |
| Danielle Claire Lane | Director | 1 Sept 2018 | 20 Jan 2023 | British | 51 years |
| David Edward Lloyd Jones | Director | 20 Apr 2014 | 15 Jan 2022 | Australian | 44 years |
| Frank Ryan Elsworth | Director | 19 May 2023 | 17 Oct 2024 | British | 45 years |
| Grant Douglas | Director | 12 May 2023 | 16 Jun 2023 | British | 46 years |
| Grant Wallace | Director | 29 Oct 2010 | 17 Apr 2012 | British | 52 years |
| John Cochrane Appleton | Director | 12 May 2023 | 17 Oct 2024 | British | 41 years |
| John Wallace Boyce | Director | 24 Jun 2023 | 17 Oct 2024 | British | 46 years |
| Kate Jane Turner | Director | 23 Dec 2019 | 24 Jun 2024 | British | 50 years |
| Keith Richard Moss | Secretary | 8 Nov 2019 | 30 Jun 2021 | - | - |
| Lauren Wheatley | Director | 13 Sept 2013 | 28 Feb 2014 | British | 46 years |
| Lindsay Ann Mcquade | Director | 26 Apr 2016 | 23 Dec 2019 | British | 50 years |
| Maf Smith | Secretary | 1 Mar 2019 | 1 Jan 2020 | - | - |
| Malcolm Cameron Garrity | Director | 24 Apr 2009 | 22 May 2009 | British | 70 years |
| Matthew Richard Partridge | Director | 18 Jul 2012 | 1 Mar 2016 | British | 55 years |
| Paul Gerald Cooley | Director | 15 Jan 2022 | 7 Nov 2022 | Irish | 55 years |
| Philip Lionel Dyke | Director | 22 Jun 2010 | 1 May 2011 | British | 64 years |
| Piers Basil Guy | Director | 20 Apr 2014 | 10 Aug 2018 | British | 57 years |
| Randall Linfoot | Director | 24 Apr 2009 | 22 Apr 2013 | British | 43 years |
| Richard Mardon | Director | 24 Apr 2009 | 21 Sept 2011 | British | 62 years |
| Richard Mardon | Director | 17 Apr 2012 | 5 Dec 2017 | British | 62 years |
| Richard Stewart Dibley | Director | 31 Mar 2015 | 24 Jan 2025 | British | 54 years |
| Robert Llewellyn Williams | Director | 24 Apr 2009 | 22 Jun 2010 | British | 55 years |
| Saurabh Nitishchandra Shah | Director | 12 May 2023 | 17 Oct 2024 | British | 51 years |
| Simon Gower Christian | Director | 24 Apr 2009 | 31 Mar 2015 | British | 67 years |
| Simon Murray Heyes | Director | 24 Apr 2009 | 29 Oct 2010 | British | 63 years |
| Simon Murray Heyes | Director | 1 May 2011 | 26 Apr 2017 | British | 63 years |
| Stephen Ramsey Rainsford Hannay | Director | 4 Apr 2014 | 17 Jul 2015 | British | 54 years |
| Steven Paul Hunter | Director | 22 Sept 2011 | 13 Sept 2013 | British | 55 years |
| Timothy French | Director | 17 Apr 2012 | 26 Apr 2016 | British | 43 years |
| Wayne Robert Ian Cranstone | Director | 24 Apr 2009 | 20 Apr 2014 | British | 57 years |
| Zoe Elizabeth Keeton | Director | 1 Mar 2016 | 15 Jan 2022 | British | 58 years |