Active Officers
| Name ↑ | Role | Appointed | Nationality | Age | Country of Residence |
|---|
| Hiroto Ichiki | Director | 29 May 2015 | Japanese | 64 years | England |
| Jayne Cheadle | Secretary | 22 Jun 2009 | British | - | - |
| Katsusuke Ishida | Director | 30 Jun 2025 | Japanese | 54 years | United Kingdom |
Resigned Officers
| Name ↑ | Role | Appointed | Resigned | Nationality | Age |
|---|
| David Antony Metter | Director | 5 Nov 1992 | 1 Jul 1993 | British | 74 years |
| David Martin Hedge | Secretary | 31 May 2007 | 22 Jun 2009 | British | - |
| Deborah Ann Franks | Secretary | 5 Nov 1992 | 2 Dec 1994 | British | - |
| Fujio Suzuki | Director | 11 Apr 1997 | 15 Jul 2003 | Japanese | 78 years |
| Geoffrey Paul Walters | Secretary | 29 Jun 2001 | 31 May 2007 | British | - |
| Hiroaki Iizawa | Director | 5 Aug 2009 | 29 May 2015 | Japanese | 57 years |
| Hiroto Ichiki | Director | 15 Jul 2003 | 5 Aug 2009 | Japanese | 64 years |
| Jane Elizabeth Beglin | Secretary | 27 Mar 1995 | 22 Nov 1999 | British | - |
| Julian Mark Rudd-jones | Director | 22 Nov 1999 | 30 Jun 2025 | British | 71 years |
| Katsumi Shibasaki | Director | 15 Jul 2003 | 31 May 2007 | Japanese | 77 years |
| Ken Uchida | Director | 1 Jan 2013 | 31 Mar 2015 | Japanese | 70 years |
| Koji Uchida | Director | 5 Nov 1992 | 17 Jul 1997 | Japanese | 91 years |
| Michiya Uchida | Director | 31 May 2007 | 1 Jan 2013 | Japanese | 66 years |
| Michiya Uchida | Director | 1 Apr 2015 | 29 May 2015 | Japanese | 66 years |
| Milton Anthony Fernandes | Director | 6 Jul 1998 | 30 Apr 1999 | British | 65 years |
| Noburo Aoki | Secretary | 28 Sept 2000 | 29 Jun 2001 | Japanese | - |
| Roy Matthew Dantzic | Director | 2 Aug 1993 | 31 Mar 1995 | British | 82 years |
| Shoichi Kajima | Director | 5 Nov 1992 | 8 Mar 1996 | Japanese | 96 years |
| Simon Nicholas Bibby | Secretary | 22 Nov 1999 | 28 Sept 2000 | British | - |
| Stuart Anthony Lipton | Director | 5 Nov 1992 | 31 Mar 1995 | British | 84 years |
| Taizo Yamamoto | Director | 31 Mar 1995 | 30 Jul 2004 | Japanese | 71 years |
| Taizo Yamamoto | Secretary | 2 Dec 1994 | 27 Mar 1995 | Japanese | - |
| Tsutomu Ishiyama | Director | 25 May 1993 | 11 Apr 1997 | Japanese | 77 years |
| Yukiyasu Nakagawa | Director | 31 Mar 1995 | 6 Jul 1998 | Japanese | 80 years |