| Andrew George Sandars | Director | 30 Jan 2013 | 31 Mar 2016 | British | 56 years |
| Andrew James Evans | Director | 25 Apr 1992 | 19 Sept 1995 | British | 71 years |
| Andrew John Milton Bester | Director | 7 Jan 2013 | 1 Sept 2017 | British | 60 years |
| Christopher Richard Hurley | Director | 22 Jan 2013 | 3 Feb 2021 | British | 51 years |
| Darryl Charles Eales | Director | 2 Jan 2003 | 30 Apr 2014 | British | 65 years |
| David Dermot Hennessey | Secretary | 28 Mar 2018 | 17 Mar 2020 | - | - |
| Francis Joseph Conway | Secretary | 25 Apr 1992 | 26 Mar 1993 | British | - |
| Frederick Michael Peter Riding | Director | 19 Sept 1995 | 29 Dec 2003 | British | 82 years |
| George Ian Buckley | Director | 21 Jul 1993 | 19 Sept 1995 | British | 77 years |
| George Truett Tate | Director | 16 Jan 2004 | 5 May 2004 | American | 75 years |
| Henderson Secretarial Services Limited | Corporate Secretary | 26 Mar 1993 | 19 Sept 1995 | - | - |
| Hugh Alexander Mckay | Director | 9 Jun 2016 | 31 Dec 2021 | British | 65 years |
| Iain Campbell Clark | Director | 25 Apr 1992 | 2 Mar 1995 | British | 75 years |
| Ian Clive John | Director | 19 Sept 1995 | 2 Jul 2003 | British | 71 years |
| Ian Colin Stewart Menzies | Director | 25 Apr 1992 | 19 Sept 1995 | British | 72 years |
| Ian Gregory Birch | Director | 19 Sept 1995 | 28 Feb 1997 | British | 85 years |
| Kevin Rohan Taylor | Secretary | 7 Jan 2014 | 23 Mar 2015 | - | - |
| Marc-john Boston | Secretary | 25 Oct 2012 | 7 Jan 2014 | - | - |
| Mark George Culmer | Director | 18 Jan 2018 | 1 Aug 2019 | British | 63 years |
| Martin John Draper | Director | 7 Dec 2012 | 31 Dec 2021 | British | 61 years |
| Michael William Joseph | Director | 19 Sept 1995 | 15 Nov 2006 | British | 69 years |
| Nicholas Stuart Slape | Director | 5 Aug 2013 | 30 Sept 2017 | British | 62 years |
| Patrick Elborough Sellers | Director | 29 Mar 2004 | 31 Dec 2014 | British | 66 years |
| Paul Andrew Gordon | Director | 7 May 2021 | 10 Dec 2024 | British | 58 years |
| Paul Gittins | Secretary | 23 Mar 2015 | 27 Mar 2018 | - | - |
| Robert George Holland Martin | Director | 25 Apr 1992 | 19 Sept 1995 | British | 86 years |
| Robin Charles Hindle Fisher | Director | 25 Apr 1992 | 30 Sept 1992 | British | 66 years |
| Stephen Frank Welton | Director | 25 Apr 1992 | 19 Sept 1995 | British | 64 years |
| Stephen John Hopkins | Secretary | 19 Sept 1995 | 28 Feb 2010 | British | - |
| Tony Nash | Director | 26 Feb 1999 | 17 Jan 2005 | British | 60 years |