| Alison Scillitoe White | Secretary | 2 Nov 2009 | 1 Mar 2012 | - | - |
| Andrew Colin Modle | Director | 22 Nov 2019 | 26 Feb 2020 | British | 59 years |
| Andrew James Duxbury | Director | 4 Dec 2018 | 9 Apr 2019 | British | 51 years |
| Andrew Richard Hammond | Director | 26 Feb 2020 | 31 Jul 2020 | British | 56 years |
| Brendan Jacob Morrissey | Secretary | 27 Jan 2006 | 31 May 2007 | British | - |
| Castle Notornis Limited | Corporate Director | 5 Oct 2000 | 17 Nov 2000 | United Kingdom | - |
| Christopher John Saunders | Director | 9 Apr 2019 | 26 Feb 2020 | British | 51 years |
| Darren Maddox | Director | 26 Feb 2020 | 17 Oct 2024 | British | 55 years |
| David Ward Tilman | Director | 30 Jan 2007 | 9 May 2007 | British | 73 years |
| Dawnet Marie Mclaughlin | Director | 15 Jun 2021 | 18 Nov 2024 | British | 54 years |
| Galliford Try Secretariat Services Limited | Corporate Secretary | 1 Mar 2012 | 26 Feb 2020 | United Kingdom | - |
| Jacqueline Chalmers | Director | 26 Feb 2020 | 21 Oct 2020 | British | 51 years |
| Jeremy Neal William Trezise | Director | 2 Oct 2006 | 30 Jan 2007 | British | 60 years |
| Kevin Paul Foley | Director | 9 May 2007 | 19 Jan 2011 | British | 69 years |
| Luba Jovic | Director | 17 Nov 2000 | 23 May 2002 | British | 80 years |
| Mark Robert Farnham | Director | 19 Jan 2011 | 4 Dec 2018 | British | 61 years |
| Martin Trevor Digby Palmer | Secretary | 26 Feb 2020 | 25 Jun 2021 | - | - |
| Martyn Trevor Flood | Director | 30 Jan 2007 | 30 Nov 2016 | British | 66 years |
| Martyn Trevor Flood | Director | 9 May 2007 | 9 May 2007 | British | 66 years |
| Martyn Trevor Flood | Director | 15 Jun 2021 | 15 Nov 2024 | British | 66 years |
| Matthew James Paine | Director | 2 Oct 2006 | 30 Jan 2007 | British | 52 years |
| Matthew James Paine | Director | 24 Jun 2011 | 31 Dec 2013 | British | 52 years |
| Patrick Joseph Feighery | Director | 2 Oct 2006 | 24 Jun 2011 | Irish | 75 years |
| Paul David Cooper | Director | 1 Jan 2014 | 1 Oct 2015 | British | 58 years |
| Paul David Money | Secretary | 9 May 2007 | 30 Oct 2009 | British | - |
| Peter James Youll | Director | 1 Oct 2015 | 22 Jan 2016 | British | 57 years |
| Philip Andrew Chapman | Director | 22 Jan 2016 | 22 Nov 2019 | British | 68 years |
| Pitsec Limited | Corporate Secretary | 5 Oct 2000 | 3 Oct 2002 | United Kingdom | - |
| Silvano Amato | Director | 17 Nov 2000 | 30 Jan 2007 | British | 71 years |
| Zillah Wendy Stone | Secretary | 3 Oct 2002 | 27 Jan 2006 | British | - |
