| HOLMES, Simon ACTIVE | Secretary | 01 Aug 2018 | | | | Gloucester Technical Centre, Olympus Park, Quedgeley, Gloucester, GL2 4NF, England |
| HOLMES, Simon ACTIVE | Director | 01 Apr 2023 | | United Kingdom | September 1967 | Gloucester Technical Centre, Olympus Park, Quedgeley, Gloucester, GL2 4NF, England |
| MURATA, Naruto ACTIVE | Director | 01 Jan 2024 | | United Kingdom | May 1968 | Gloucester Technical Centre, Olympus Park, Quedgeley, Gloucester, GL2 4NF, England |
| SHIRAISHI, Yasuki ACTIVE | Director | 01 Apr 2025 | | Japan | March 1965 | Gloucester Technical Centre, Olympus Park, Quedgeley, Gloucester, GL2 4NF, England |
| RAWSON, Peter John RESIGNED | Secretary | | 30 Oct 2009 | | | Mount Farm, Wiveliscombe, Somerset, TA4 2TF |
| ARAKI, Kazumi RESIGNED | Director | | 30 Jun 2008 | Usa | February 1967 | 7790 St Andrews Road, Rancho Santa Fe, California Ca92067, Usa |
| BUISSON, Julien RESIGNED | Director | 01 Apr 2019 | 28 Feb 2023 | Germany | April 1963 | Gloucester Technical Centre, Olympus Park, Quedgeley, Gloucester, GL2 4NF, England |
| DÖMÖK, Stefan, Dr RESIGNED | Director | 01 Apr 2019 | 31 Mar 2025 | Germany | September 1963 | Gloucester Technical Centre, Olympus Park, Quedgeley, Gloucester, GL2 4NF, England |
| HATTA, Kazunobu RESIGNED | Director | 01 Dec 2011 | 17 Jun 2014 | Great Britain | October 1975 | Unit 11, Olympus Park, Quedgeley, Gloucester, GL2 4NF, United Kingdom |
| ISHIBASHI, Toshiyuki RESIGNED | Director | 30 Oct 2009 | 01 Dec 2011 | England | August 1954 | Unit 11, Olympus Park, Quedgeley, Gloucester, GL2 4NF |
| KAMIYA, Tatsuo RESIGNED | Director | 18 Jun 2015 | 28 Jun 2017 | Japan | July 1948 | Unit 11, Olympus Park, Quedgeley, Gloucester, GL2 4NF, United Kingdom |
| KATKORIA, Abhilash Dwarkadas RESIGNED | Director | 06 Apr 2000 | 25 Dec 2010 | England | January 1966 | Unit 11, Olympus Park, Quedgeley, Gloucester, GL2 4NF |
| KOMORIYA, Atsushi RESIGNED | Director | 01 Apr 2019 | 22 Apr 2021 | Japan | June 1963 | Ptc Technical Centre, The Hyde, Langrish, Petersfield, Hampshire, GU32 1RL, England |
| LOWE, Antony Stephen Hunter RESIGNED | Director | 30 Oct 2009 | 31 Dec 2020 | England | February 1964 | Unit 11, Olympus Park, Quedgeley, Gloucester, GL2 4NF |
| MORI, Ryotaro RESIGNED | Director | 01 Apr 2023 | 31 Mar 2024 | Germany | July 1974 | Gloucester Technical Centre, Olympus Park, Quedgeley, Gloucester, GL2 4NF, England |
| MOULD, Phillip Frank RESIGNED | Director | 06 Apr 2003 | 31 Mar 2008 | England | October 1955 | 84 Ellerker Rise, Willerby, East Yorkshire, HU10 6EU |
| MURATA, Naruto RESIGNED | Director | 30 Oct 2009 | 16 Dec 2013 | England | May 1968 | Unit 11, Olympus Park, Quedgeley, Gloucester, GL2 4NF |
| NAKAO, Kazuki RESIGNED | Director | 01 Jul 2008 | 31 Mar 2011 | Germany | November 1950 | Unit 11, Olympus Park, Quedgeley, Gloucester, GL2 4NF |
| NORTH, Robin RESIGNED | Director | 06 Apr 2000 | 08 Apr 2004 | United Kingdom | May 1965 | 2 Sibland Close, Thornbury, South Gloucestershire, BS35 2HR |
| OHMURA, Toshihiro RESIGNED | Director | 25 Feb 2021 | 31 Mar 2023 | Japan | June 1970 | Gloucester Technical Centre, Olympus Park, Quedgeley, Gloucester, GL2 4NF, England |
| RAWSON, Peter John RESIGNED | Director | | 30 Oct 2009 | England | November 1945 | Mount Farm, Wiveliscombe, Somerset, TA4 2TF |
| SHERBURN, Michael Peter RESIGNED | Director | 15 Apr 2013 | 16 May 2016 | England | March 1961 | Arrk Gloucester Technical Centre, Olympus Park, Quedgeley, Gloucester, Gloucestershire, GL2 4NF, Uk |
| SHIMOGORI, Takayoshi RESIGNED | Director | 01 Apr 2023 | 31 Mar 2024 | Japan | October 1961 | Gloucester Technical Centre, Olympus Park, Quedgeley, Gloucester, GL2 4NF, England |
| SHIMOGORI, Takayoshi RESIGNED | Director | 22 Apr 2021 | 20 Apr 2022 | Japan | October 1961 | Gloucester Technical Centre, Olympus Park, Quedgeley, Gloucester, GL2 4NF, England |
| SHIRAISHI, Yasuki RESIGNED | Director | 29 Jun 2017 | 25 Feb 2021 | Japan | March 1965 | 1-7-1 Senzui, Asaka 351-0024, Saitama, Japan |
| SHORT, Cyril Arthur RESIGNED | Director | 01 Feb 2001 | 31 Mar 2008 | United Kingdom | July 1955 | 26 Croftside, Etherley Moor, Bishop Auckland, County Durham, DL14 0ST |
| TERADA, Eiichiro RESIGNED | Director | 01 Apr 2024 | 31 Mar 2025 | Japan | January 1965 | Gloucester Technical Centre, Olympus Park, Quedgeley, Gloucester, GL2 4NF, England |
| TSUJINO, Koji RESIGNED | Director | 01 Jul 2008 | 18 Jun 2015 | Japan | January 1961 | Unit 11, Olympus Park, Quedgeley, Gloucester, GL2 4NF |
| UEDA, Hidehisa RESIGNED | Director | 20 Apr 2022 | 31 Mar 2023 | Japan | January 1967 | Gloucester Technical Centre, Olympus Park, Quedgeley, Gloucester, GL2 4NF, England |
| VICKERS, Robin Craig RESIGNED | Director | 01 Jan 2006 | 01 Mar 2011 | United Kingdom | September 1959 | Unit 11, Olympus Park, Quedgeley, Gloucester, GL2 4NF |
| YAMADA, Koji RESIGNED | Director | 01 Jun 2013 | 16 May 2016 | United Kingdom | November 1969 | Peterfield Technical Centre, Langrish, Petersfield, Hampshire, GU32 1RL, United Kingdom |