| Adrian Brettell Dyke | Secretary | 21 Mar 2001 | 13 May 2005 | British | - |
| Akiko Osawa | Director | 25 Mar 2014 | 29 Mar 2016 | Japanese | 61 years |
| Angela Orriss | Director | 30 Jan 2006 | 17 Jul 2007 | British | 63 years |
| Annabel Katherine Goddard Withington | Secretary | 31 Mar 1999 | 21 Mar 2001 | British | - |
| Anthony Wilkinson | Director | 26 Mar 1999 | 28 Apr 1999 | British | 77 years |
| Atsushi Nishikawa | Director | 3 Jul 2000 | 29 May 2001 | Japanese | 74 years |
| Carlo Angelo Trabattoni | Director | 1 Sept 2012 | 25 May 2016 | Italian | 68 years |
| Christopher Martin Phillips | Director | 28 Apr 1999 | 31 Mar 2000 | British | 70 years |
| Dervala Leahy | Secretary | 23 Sept 2016 | 17 Jan 2018 | - | - |
| Eiji Arima | Director | 26 May 2005 | 25 Mar 2007 | Japanese | 70 years |
| Guy Henriques | Director | 13 Jul 2016 | 26 Sept 2019 | British | 62 years |
| Hamish Galpin | Director | 23 Jul 2007 | 31 Dec 2009 | British | 60 years |
| Hannah Ashdown | Secretary | 31 Dec 2009 | 28 Jun 2011 | British | - |
| Helen Marie Horton | Secretary | 31 Dec 2009 | 18 Jul 2014 | British | - |
| Hermes Secretariat Limited | Corporate Secretary | 30 Jan 2006 | 31 Dec 2009 | United Kingdom | - |
| Hideichiro Kobayashi | Director | 31 Mar 1999 | 8 Jun 1999 | Japanese | 81 years |
| Hideichiro Kobayashi | Director | 3 Jul 2000 | 23 Jun 2003 | Japanese | 81 years |
| Hironori Kasamatsu | Director | 31 Mar 1999 | 25 Mar 2003 | Japanese | 71 years |
| Hiroshi Ozeki | Director | 8 Jun 2018 | 8 Dec 2019 | Japanese | 62 years |
| Hirouki Nishi | Director | 27 Apr 2007 | 29 Jun 2011 | Japanese | 66 years |
| Hiroyasu Hirata | Director | 14 Jul 2011 | 25 Mar 2014 | Japanese | 62 years |
| Hiroyuki Ichikawa | Director | 5 Jun 2021 | 25 Mar 2023 | Japanese | 47 years |
| Hiroyuki Nishi | Director | 25 Mar 2013 | 25 Mar 2014 | Japanese | 66 years |
| Hiroyuki Shoji | Director | 29 Mar 2010 | 25 Mar 2013 | British | 54 years |
| Isao Hattori | Director | 13 Apr 2016 | 26 Mar 2018 | Japanese | 58 years |
| James Watson Stewart | Director | 31 Dec 2009 | 10 Dec 2019 | British | 66 years |
| John Gerard Mclaughlin | Director | 31 Dec 2009 | 21 Oct 2011 | British | 62 years |
| John Spencer Morton | Director | 2 Feb 1999 | 8 Feb 1999 | British | 61 years |
| Juergen Hinrich Fitschen | Director | 30 Apr 2002 | 30 Jan 2006 | British | 78 years |
| Kan Shimizu | Director | 25 Mar 2014 | 19 Jun 2015 | Japanese | 62 years |
| Kazuhide Toda | Director | 16 Apr 2009 | 25 Mar 2012 | Japanese | 63 years |
| Kazuo Okushima | Director | 5 Jun 2021 | 30 May 2024 | Japanese | 41 years |
| Kazuo Sato | Director | 11 Aug 2015 | 27 Mar 2017 | Japanese | 60 years |
| Keisuke Kawasaki | Director | 27 Apr 2007 | 25 Mar 2010 | Japanese | 58 years |
| Kiyokazu Kimura | Director | 27 Apr 2018 | 8 Dec 2019 | Japanese | 54 years |
| Kiyoshi Ujihara | Director | 8 Jun 1999 | 3 Jul 2000 | Japanese | 78 years |
| Kiyoshi Ujihara | Director | 23 Jun 2003 | 25 Mar 2008 | Japanese | 78 years |
| Koji Oshima | Director | 27 Apr 2018 | 25 Mar 2024 | Japanese | 56 years |
| Kosuke Kuroishi | Director | 11 Nov 2020 | 25 Mar 2021 | Japanese | 50 years |
| Louise Richard | Secretary | 27 Feb 2019 | 7 Feb 2025 | - | - |
| Mark Pope | Secretary | 30 Sept 2005 | 30 Jan 2006 | British | - |
| Mary Josephine Margaret Mcnalty | Secretary | 13 May 2005 | 30 Sept 2005 | British | - |
| Masahiro Yamada | Director | 31 Mar 1999 | 3 Jul 2000 | Japanese | 81 years |
| Masataka Nakashima | Director | 25 Mar 2003 | 26 May 2005 | Japanese | 66 years |
| Matthew John Whyte | Secretary | 18 Jul 2014 | 23 Sept 2016 | - | - |
| Maurice Gerard Quirke | Director | 30 Jan 2006 | 14 Dec 2007 | British | 66 years |
| Melanie Stoner | Secretary | 28 Jun 2011 | 23 Feb 2017 | - | - |
| Michael Godwin Philipp | Director | 11 Oct 2000 | 30 Apr 2002 | American | 73 years |
| Michael Mark Webb | Director | 28 Feb 2008 | 10 Dec 2009 | British | 64 years |
| Michael William Romsey Dobson | Director | 31 Mar 1999 | 9 Jun 2000 | British | 74 years |
| Minoru Kimura | Director | 16 Nov 2020 | 24 Mar 2022 | Japanese | 59 years |
| Naoki Akiyama | Director | 4 May 2017 | 26 Mar 2018 | Japanese | 57 years |
| Patrick Nicholas Charles Walker | Director | 8 Feb 1999 | 30 Jan 2006 | British | 75 years |
| Paul Andrew Forshaw | Director | 27 Mar 2020 | 30 Jan 2025 | British | 65 years |
| Paul Arthur Hogwood | Director | 2 Feb 1999 | 31 Mar 1999 | British | 77 years |
| Paul Arthur Hogwood | Secretary | 2 Feb 1999 | 30 Jan 2006 | British | - |
| Richard Anthony Mountford | Director | 5 Oct 2011 | 1 Sept 2012 | British | 68 years |
| Roger Michael Gray | Director | 18 Jul 2007 | 19 Jun 2009 | American | 69 years |
| Saker Anwar Nusseibeh | Director | 17 Jun 2009 | 31 Dec 2009 | British | 65 years |
| Satoshi Ohkawabata | Director | 27 Apr 2018 | 25 Mar 2021 | Japanese | 45 years |
| Shin Matsui | Director | 26 Mar 2013 | 29 Mar 2016 | Japanese | 54 years |
| Shinichi Okamoto | Director | 6 Jul 2022 | 25 Mar 2025 | Japanese | 57 years |
| Takahiro Yamasaki | Director | 2 Jun 2004 | 26 May 2005 | Japanese | 69 years |
| Takashi Minagawa | Director | 31 Mar 1999 | 29 May 2001 | Japanese | 79 years |
| Takeshi Furuichi | Director | 6 May 2010 | 25 Mar 2013 | Japanese | 72 years |
| Tetsuya Miyagawa | Director | 20 Jun 2001 | 25 Mar 2009 | Japanese | 71 years |
| Tomiji Akabayashi | Director | 29 Jul 2005 | 25 Mar 2007 | Japanese | 66 years |
| Toshihiro Nakashima | Director | 25 Mar 2013 | 25 Mar 2014 | Japanese | 63 years |
| Toshiyuki Maeda | Director | 20 Jun 2001 | 2 Jun 2004 | Japanese | 72 years |
| Yoshikazu Takeda | Director | 15 Apr 2008 | 25 Mar 2010 | Japanese | 73 years |
| Yu Kosaka | Director | 25 Apr 2016 | 26 Mar 2018 | Japanese | 48 years |
| Yutaka Ideguchi | Director | 12 Apr 2012 | 25 Mar 2013 | Japanese | 63 years |
| Yutaka Ideguchi | Director | 25 Mar 2014 | 31 May 2018 | Japanese | 63 years |