| Andrew Austen Say | Director | 1 Dec 2008 | 31 Mar 2015 | British | 57 years |
| Anthony Guy Zitter | Director | 1 Dec 2008 | 31 Mar 2014 | British | 72 years |
| David English | Director | 31 Dec 1991 | 10 Jun 1998 | British | 95 years |
| Deidre Patricia Nolan | Director | 21 Jul 1992 | 27 Oct 2000 | Australian | 73 years |
| Desmond John Nichols | Director | 23 Jun 1994 | 2 Jul 2007 | British | 75 years |
| Douglas Guy Richard Morgan | Director | 1 Dec 2008 | 30 Jun 2014 | British | 65 years |
| Douglas Guy Richard Morgan | Secretary | 1 Dec 2008 | 18 Oct 2012 | British | - |
| Frank Pignatelli | Director | 18 Sept 1996 | 27 Mar 1997 | British | 80 years |
| Geordie Carron Greig | Director | 13 Jun 2012 | 4 Mar 2020 | British | 66 years |
| Herbert Charles Hardy | Director | 31 Dec 1991 | 31 Dec 1994 | British | 98 years |
| Ian Jack Pay | Director | 31 Dec 1991 | 31 Dec 1995 | British | 83 years |
| Ian Michael Jackson | Secretary | 19 May 1992 | 1 Aug 1995 | British | - |
| Jocelyn Targett | Director | 16 Mar 1995 | 14 Jun 1996 | British | 61 years |
| John Philip Teal | Director | 1 Dec 2008 | 30 Sept 2012 | British | 71 years |
| Jonathan Holborow | Director | 21 Jul 1992 | 26 Sept 1998 | British | 83 years |
| Judith Claire Bennett | Director | 31 Dec 1991 | 25 Nov 1993 | British | 76 years |
| Judith Claire Bennett | Secretary | 31 Dec 1991 | 19 May 1992 | British | - |
| Kevin Joseph Beatty | Director | 8 Aug 1996 | 31 Dec 1998 | British | 69 years |
| Kevin Joseph Beatty | Director | 1 Sept 2004 | 17 Dec 2021 | British | 69 years |
| Leif Patrick Sean Mahon-daly | Director | 1 Oct 1997 | 1 Dec 2008 | British | 62 years |
| Leif Patrick Sean Mahon-daly | Secretary | 1 Aug 1995 | 1 Dec 2008 | British | - |
| Marcus Alvin Rich | Director | 2 Feb 2009 | 28 Feb 2014 | British | 67 years |
| Michael Anthony Newman | Director | 31 Dec 1991 | 1 Dec 2008 | British | 82 years |
| Michael Paul Ironside | Director | 2 Jan 1999 | 28 Oct 2003 | British | 73 years |
| Murdoch Maclennan | Director | 3 Jan 1995 | 31 Aug 2004 | British | 77 years |
| Neil Hilton Jagger | Director | 23 Oct 2001 | 8 Feb 2013 | British | 64 years |
| Nicholas Gordon | Director | 31 Dec 1991 | 21 Jul 1992 | British | 79 years |
| Paul Michael Dacre | Director | 22 Jul 1998 | 26 Sept 2018 | British | 78 years |
| Peter Wright | Director | 21 Sept 1998 | 22 May 2012 | British | 73 years |
| Rosemary Chalmers Gorman | Director | 1 Dec 2008 | 15 Jul 2015 | British | 69 years |
| Sally Jean De La Bedoyere | Director | 2 Jan 1999 | 27 Apr 2000 | British | 66 years |
| Simon Frances James Barnes | Director | 31 Dec 1991 | 31 Dec 1998 | British | 74 years |
| Simon John Andrew Davies | Director | 9 Jun 2003 | 10 Nov 2008 | British | 60 years |
| Simon Maurice Kelner | Director | 18 Sept 1996 | 8 May 1998 | British | 69 years |
| Simon Maxim Dyson | Director | 23 Jan 1996 | 21 Jan 1997 | British | 76 years |
| Stephen Gabriel Miron | Director | 29 Oct 2003 | 27 Oct 2008 | British | 61 years |
| Stewart Gustav Steven | Director | 31 Dec 1991 | 21 Jul 1992 | British | 91 years |
| Susan Barbara Dear | Director | 27 Apr 2000 | 6 Jun 2003 | British | 68 years |