| Alan Mcalpine Keir | Director | 12 Oct 2016 | 1 Sept 2024 | British | 68 years |
| Alnery Incorporations No 1 Limited | Corporate Nominee Director | 3 Mar 2003 | 5 Mar 2003 | - | - |
| Alnery Incorporations No 1 Limited | Corporate Nominee Secretary | 3 Mar 2003 | 5 Mar 2003 | - | - |
| Alnery Incorporations No 2 Limited | Corporate Nominee Director | 3 Mar 2003 | 5 Mar 2003 | - | - |
| Brian Quinn | Director | 5 Mar 2003 | 25 Jul 2003 | British | 90 years |
| Charles Philip Martyn | Secretary | 5 Mar 2003 | 1 Jul 2008 | British | - |
| Charlotte Elisabeth Diana Morgan | Director | 1 Sept 2017 | 31 Aug 2023 | British | 76 years |
| Derek Andrew Ross | Director | 23 Sept 2010 | 11 Apr 2017 | British | 76 years |
| Elizabeth Noel Harwerth | Director | 19 Dec 2003 | 30 Jun 2015 | American | 79 years |
| Hirofumi Otsuka | Director | 2 Dec 2020 | 1 Jun 2022 | Japanese | 60 years |
| Hiroshi Minoura | Director | 25 Jul 2006 | 13 May 2008 | Japanese | 71 years |
| Hiroyuki Iwami | Director | 5 Jul 2010 | 15 Apr 2014 | Japanese | 72 years |
| Howard Roger Brown | Director | 5 Mar 2003 | 23 Sept 2010 | British | 81 years |
| Ian Michael Jameson | Director | 1 Dec 2011 | 1 Feb 2017 | British | 66 years |
| James Donald Hastings Fenner | Director | 2 Feb 2022 | 1 May 2024 | British | 63 years |
| Jun Mizoguchi | Director | 24 Apr 2006 | 1 Jun 2011 | Japanese | 72 years |
| Katsufumi Uchida | Director | 4 Feb 2021 | 31 Mar 2022 | Japanese | 59 years |
| Katsuhiko Namikawa | Director | 5 Mar 2003 | 9 Dec 2005 | Japanese | 72 years |
| Kazunobu Okada | Director | 5 Mar 2003 | 7 Jul 2005 | Japanese | 75 years |
| Kazuya Ikeda | Director | 1 Jun 2022 | 19 May 2025 | Japanese | 55 years |
| Keiichi Ishihama | Director | 29 Jul 2013 | 20 Mar 2014 | Japanese | 65 years |
| Keiichiro Nakamura | Director | 2 Apr 2012 | 3 Apr 2018 | Japanese | 60 years |
| Keiichiro Nakamura | Director | 25 Jul 2018 | 4 Apr 2023 | Japanese | 60 years |
| Keith Malcolm Macdonald | Director | 12 Oct 2022 | 28 Feb 2025 | British | 52 years |
| Kenichi Hosomi | Director | 13 Apr 2012 | 25 Jul 2018 | Japanese | 63 years |
| Laurel Claire Powers-freeling | Director | 1 Jul 2015 | 31 Dec 2021 | British | 69 years |
| Makoto Takashima | Director | 13 May 2008 | 18 Jun 2010 | Japanese | 68 years |
| Masaaki Sasai | Director | 30 Jun 2015 | 22 Apr 2016 | Japanese | 62 years |
| Masahiko Oshima | Director | 13 Aug 2013 | 27 Sept 2016 | Japanese | 66 years |
| Masaki Kambayashi | Director | 17 Jul 2017 | 18 May 2020 | Japanese | 62 years |
| Mitsugu Serizawa | Director | 9 Dec 2005 | 12 Jun 2009 | Japanese | 69 years |
| Mitsuhiro Akiyama | Director | 12 Jun 2009 | 13 Apr 2012 | Japanese | 66 years |
| Nicholas Andrew Pitts Tucker | Director | 20 Feb 2006 | 31 Mar 2011 | British | 75 years |
| Noboru Rachi | Director | 7 Jul 2005 | 20 Feb 2006 | Japanese | 67 years |
| Nobuyuki Shirafuji | Director | 24 Apr 2006 | 9 May 2013 | Japanese | 65 years |
| Nobuyuki Takiguchi | Director | 11 Apr 2022 | 1 Jun 2024 | Japanese | 57 years |
| Osamu Yamashita | Director | 5 Mar 2003 | 23 Feb 2004 | Japanese | 75 years |
| Patricia Doreen Jackson | Director | 1 Jan 2022 | 31 Dec 2024 | British | 74 years |
| Shinichi Hayashida | Director | 6 Feb 2004 | 24 Apr 2006 | Japanese | 69 years |
| Shosuke Mori | Director | 13 Nov 2013 | 23 Jun 2015 | Japanese | 67 years |
| Shuntaro Higashi | Director | 30 Apr 2004 | 24 Apr 2006 | Japanese | 77 years |
| Stanislas Alain Armel Marie Roger | Director | 29 Apr 2015 | 30 Sept 2021 | French | 62 years |
| Takayuki Inoue | Director | 16 May 2014 | 1 Apr 2017 | Japanese | 62 years |
| Tetsuro Imaeda | Director | 27 Sept 2016 | 1 May 2020 | Japanese | 64 years |
| Tetsuya Kubo | Director | 25 May 2004 | 25 Jul 2006 | Japanese | 73 years |
| Yasuyuki Kawasaki | Director | 18 Jun 2010 | 13 Nov 2013 | Japanese | 67 years |
| Yasuyuki Kimoto | Director | 5 Mar 2003 | 30 Apr 2004 | Japanese | 77 years |
| Yoshihisa Seko | Director | 5 Apr 2010 | 2 Apr 2012 | Japanese | 65 years |
| Yoshiyuki Ohmi | Director | 9 Jul 2012 | 17 Jun 2015 | Japanese | 63 years |
| Yuji Harada | Director | 5 Mar 2003 | 25 May 2004 | Japanese | 75 years |