| Alan Kaye | Secretary | 31 Jan 1995 | 1 Apr 2003 | British | - |
| Anthony Gilbert Hull | Director | 28 Dec 1991 | 31 Dec 1991 | British | 88 years |
| Arthur Thomas Kennedy | Director | 20 Jan 2003 | 22 Dec 2006 | British | 73 years |
| Beverley Elizabeth Turner | Secretary | 5 Jan 2010 | 22 Nov 2022 | - | - |
| Brian Arthur Marshall | Director | 15 Jul 1994 | 12 Aug 1999 | British | 91 years |
| Burnett Rae & Company Limited | Corporate Secretary | 2 May 2003 | 16 Apr 2009 | United Kingdom | - |
| Christopher John Jones | Director | 30 Sept 2003 | 7 Jan 2008 | British | 66 years |
| Christopher Vallance | Director | 12 Aug 1999 | 9 Mar 2001 | British | 82 years |
| Claudine O'connor | Secretary | 16 Apr 2009 | 5 Jan 2010 | British | - |
| Dennis John Noel Bowtle | Director | 12 Aug 1992 | 15 Oct 1993 | British | 89 years |
| Geoffrey Arthur Fall | Director | 1 Jan 1992 | 15 Jul 1994 | British | 84 years |
| Hugh William Davies | Director | 19 Jul 1993 | 8 Aug 2000 | British | 70 years |
| Jennifer Margaret Owen | Director | 1 Jan 1992 | 9 Jul 1993 | English | 71 years |
| Jeremy Alexander James Fraser Burnett Rae | Director | 19 Jul 1993 | 16 Apr 2009 | British | 73 years |
| Jeremy Alexander James Fraser Burnett Rae | Secretary | 28 Dec 1991 | 31 Jan 1995 | British | - |
| John Gibney | Director | 13 Oct 2014 | 21 May 2019 | Irish | 59 years |
| Marc Craig Wilder | Director | 9 Dec 1997 | 17 Oct 2000 | British | 60 years |
| Mary-ann Paddison | Director | 28 Dec 1991 | 25 Jun 1993 | British | 69 years |
| Neil Jason Harris | Director | 21 May 2019 | 15 Jul 2021 | British | 57 years |
| Neil Timothy Earp | Director | 20 Jan 2003 | 22 Feb 2008 | British | 71 years |
| Niall Hunter | Director | 31 May 2012 | 5 Nov 2013 | British | 62 years |
| Niall Hunter | Director | 1 Aug 2014 | 14 Oct 2014 | British | 62 years |
| Peter James Bracken | Director | 8 Aug 2000 | 10 Sept 2003 | British | 59 years |
| Phillipa Anne Rangecroft | Director | 28 Jun 1993 | 9 Dec 1997 | British | 65 years |
| Phillipa Anne Rangecroft | Director | 21 Nov 2000 | 10 Sept 2003 | British | 65 years |
| Richard Shepherd | Director | 15 Jul 1994 | 12 Aug 1999 | British | 80 years |
| Robert Charles Mcanally | Director | 12 Aug 1999 | 9 Mar 2001 | British | 60 years |
| Steven Andrew Rigby | Director | 15 Dec 2008 | 25 Apr 2012 | British | 63 years |
| Theodore Charles Stening | Director | 28 Dec 1991 | 31 Dec 1991 | British | 94 years |
| Timothy Brian Nicholas | Director | 28 Dec 1991 | 11 Aug 1992 | British | 80 years |
| Timothy George Robinson | Director | 5 Nov 2013 | 31 Jul 2014 | British | 56 years |
| Trevor Anthony Osborne | Director | 28 Dec 1991 | 8 Aug 2000 | British | 79 years |