| JONES, Mark ACTIVE | Secretary | 18 Jan 1999 | | | | Flat 3 Seascape, 11a Southbourne Overcliffe Drive, Bournemouth, Dorset, BH6 3TF |
| FENWICK, Sebastian Edmund ACTIVE | Director | 22 May 2026 | | England | January 1953 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| JONES, Mark ACTIVE | Director | 01 Jun 1999 | | England | December 1961 | Flat 3 Seascape, 11a Southbourne Overcliffe Drive, Bournemouth, Dorset, BH6 3TF |
| KITAGAWA, Kazunori ACTIVE | Director | 01 Jun 2018 | | Japan | January 1984 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| MATSUBA, Norihito ACTIVE | Director | 14 May 2024 | | Japan | February 1969 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| MURRAY-THREIPLAND, Alexander Patrick ACTIVE | Director | 19 Sep 2023 | | England | August 1972 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| MURRAY-THREIPLAND, Robert Wyndham ACTIVE | Director | 19 Sep 2013 | | England | July 1978 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| OKANO, Kimio ACTIVE | Director | 14 May 2024 | | Japan | January 1963 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| WADA, Yuji ACTIVE | Director | 27 Apr 2023 | | Japan | July 1964 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| JONES, Mark RESIGNED | Secretary | | 28 Jul 1997 | | | Flat 3 Seascape, 11a Southbourne Overcliffe Drive, Bournemouth, Dorset, BH6 3TF |
| KELLY, Anne RESIGNED | Secretary | 16 Jun 1997 | 28 Aug 1997 | | | 9 Christopher Close, Salisbury, Wiltshire, SP2 8QT |
| LOFTS, Duncan Richard RESIGNED | Secretary | 28 Aug 1997 | 13 Nov 1997 | | | 6 Ventry Close, Salisbury, Wiltshire, SP1 3ES |
| STEEL, Anthony, Dr RESIGNED | Secretary | 18 Feb 1998 | 18 Jan 1999 | | | Nutborne 24 Newton Tony, Salisbury, Wiltshire, SP4 0HF |
| BECK, Edgar Philip, Sir RESIGNED | Director | | 25 Jun 2002 | | August 1934 | Pylle Manor, Pylle, Shepton Mallet, Somerset, BA4 6TD |
| BIRCH, Colin Douglas RESIGNED | Director | 04 Jan 1999 | 15 Apr 2009 | | August 1964 | Old School House, School Lane, Salisbury, SP1 3YA |
| FENWICK, Sebastian Edmund Stephen RESIGNED | Director | 01 Jan 1996 | 25 Jun 2002 | | January 1953 | Puslinch, Yealmpton, Plymouth, Devon, PL8 2NN |
| FUJIMOTO, Hisashi RESIGNED | Director | 01 Jun 2018 | 04 Jan 2021 | Japan | March 1967 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| FUJIWARA, Yasumasa RESIGNED | Director | 18 May 2016 | 01 Jun 2018 | Japan | January 1958 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| HATASHIMA, Toshikatsu RESIGNED | Director | 03 Jun 2010 | 01 Jun 2011 | Japan | September 1954 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| KAKE, Toshinori RESIGNED | Director | 09 May 2001 | 15 Sep 2005 | | June 1959 | 371-2 Komo-Cho, Fuchu City, Hiroshima Pref, 726-0036, FOREIGN, Japan |
| KIKKAWA, Kimihiro RESIGNED | Director | 04 Jan 2021 | 26 Feb 2021 | Japan | November 1969 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| KITAGAWA, Hideo RESIGNED | Director | 01 Jun 2011 | 20 May 2014 | Japan | March 1963 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| KITAGAWA, Hideo RESIGNED | Director | 15 Sep 2005 | 03 Jun 2010 | Japan | March 1963 | 3-13-10 Sakasai, Kashiwa-Shi, Chiba 277-0042, Japan |
| KITAGAWA, Hiroshi RESIGNED | Director | 15 Apr 2009 | 01 Jun 2018 | Japan | December 1958 | 1670-1 Motoyama -Cho, Fuchu City, 726 Hiroshima, Japan |
| KITAGAWA, Hiroshi RESIGNED | Director | 11 May 1993 | 09 May 2001 | | December 1958 | 10-10-801 Fuchu-Cho, Fuchu City, Hiroshima Pref, 726, Japan |
| KITAGAWA, Kazuya RESIGNED | Director | | 09 May 2001 | | November 1927 | 424-1 Motomachi, Fuchu City Hiroshima Pref, Japan |
| KITAGAWA, Yuji RESIGNED | Director | 09 May 2001 | 14 May 2024 | Japan | April 1957 | 426-1 Motomachi Fuchu City, Hiroshima Pref, FOREIGN, Japan |
| KONDO, Masaki RESIGNED | Director | 07 Apr 2021 | 27 Apr 2023 | Japan | November 1960 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| MATSUI, Yasutoshi RESIGNED | Director | | 11 May 1993 | | April 1929 | 229 Motomachi Fuchu City, Hiroshima Pref, FOREIGN, Japan |
| MORGAN, Gary RESIGNED | Director | 06 Nov 2024 | 31 Dec 2025 | England | April 1976 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| MURRAY THREIPLAND, Alexander Patrick RESIGNED | Director | 07 Nov 2006 | 19 Sep 2013 | England | August 1972 | Grovely Farm House, Grovely Woods Great Wishford, Salisbury, Wiltshire, SP3 4SQ |
| MURRAY THREIPLAND, Stuart Wyndham RESIGNED | Director | | 12 Jun 2023 | United Kingdom | June 1947 | Dunbeath, Caithness, Scotland, KW6 6EY |
| STEEL, Anthony, Dr RESIGNED | Director | 01 Jul 1998 | 17 May 2000 | | January 1965 | Nutborne 24 Newton Tony, Salisbury, Wiltshire, SP4 0HF |
| TANIGAWA, Teruyuki RESIGNED | Director | 20 May 2014 | 18 May 2016 | Japan | February 1954 | Unit 1 The Headlands Salisbury, Road, Downton, Salisbury, SP5 3JJ |
| WILLIAMS, George Mervyn RESIGNED | Director | | 31 Dec 1995 | | November 1918 | 27 Broad Street, Ludlow, Salop, SY8 1NJ |