| Anthony Francis Lochery | Director | 1 May 1999 | 3 Aug 2001 | British | 66 years |
| Dixon Thayer | Director | 10 Feb 2000 | 29 Dec 2001 | American | 75 years |
| Dominic Dimarco | Director | 10 Aug 2000 | 1 Nov 2002 | American | 75 years |
| Ervin Landau | Director | 14 Jun 1992 | 31 Dec 2001 | British | 90 years |
| Graeme Bissett | Director | 1 Oct 1998 | 25 Apr 2001 | British | 68 years |
| Ian Alexander Neville Mcintosh | Director | 8 Sept 1998 | 31 Dec 2001 | British | 88 years |
| Ian Ellis Fraser | Director | 23 Mar 2005 | 1 Jul 2011 | Uk | 69 years |
| Ian Vincent Ellis | Secretary | 15 Jul 2011 | 1 Jan 2021 | British | - |
| John Mclellan Houston | Director | 14 Jun 1992 | 1 Nov 2002 | British | 82 years |
| John Richard Padget | Director | 14 Jun 1992 | 24 Dec 2001 | Usa | 89 years |
| Kazushi Ogura | Director | 15 Jul 2011 | 1 Mar 2014 | Japanese | 53 years |
| Kenji Murai | Director | 15 Jul 2011 | 1 Apr 2018 | Japanese | 60 years |
| Kenneth Andrew Mcgill | Director | 22 Jul 2004 | 28 Mar 2006 | British | 68 years |
| Kenneth Andrew Mcgill | Secretary | 14 May 1996 | 22 Jul 2004 | British | - |
| Mark Lynott | Director | 1 Feb 2018 | 30 Jun 2025 | British | 51 years |
| Mark Richard Slade | Director | 1 Mar 2014 | 1 Feb 2018 | British | 51 years |
| Michael Daniel Jordan | Director | 3 Aug 1999 | 17 Dec 2001 | American | 80 years |
| Michael Joseph Anthony Healy | Director | 28 Mar 2006 | 1 Jul 2011 | British | 66 years |
| Michael Joseph Anthony Healy | Secretary | 22 Jun 2006 | 1 Jul 2011 | British | - |
| Michael William Craddock | Director | 12 Feb 2003 | 26 Feb 2003 | British | 81 years |
| Neil Hood | Director | 14 Jun 1992 | 31 Dec 2001 | British | 83 years |
| Nizar Bahadurali Pabani | Secretary | 1 Jan 2021 | 4 Jul 2025 | - | - |
| Peter Robert Holmes | Director | 14 Jun 1992 | 1 Nov 2002 | British | 83 years |
| Robert Huthersall | Secretary | 14 Jun 1992 | 14 May 1996 | British | - |
| Roelant Christiaan De Waard | Director | 9 May 2002 | 1 Nov 2002 | Dutch | 64 years |
| Ruth Jones | Director | 22 Jan 2002 | 1 Nov 2002 | American | 67 years |
| Scott Morrison | Secretary | 22 Jul 2004 | 22 Jun 2006 | British | - |
| Shinjiro Tanaka | Director | 1 Mar 2019 | 1 Apr 2019 | Japanese | 63 years |
| Stanley Hart Owens | Director | 25 Apr 2001 | 25 Nov 2002 | American | 78 years |
| Thomas Farmer | Director | 14 Jun 1992 | 1 Nov 2002 | British | 86 years |
| Thomas Gorman | Director | 3 Aug 1999 | 10 Aug 2000 | American | 66 years |
| Timothy Charles Parker | Director | 14 Nov 2002 | 23 Mar 2005 | British | 71 years |
| William Corcoran Connelly | Director | 22 Jan 2002 | 9 May 2002 | American | 83 years |
| Yasuyuki Harada | Director | 1 Apr 2018 | 28 Feb 2019 | Japanese | 67 years |