| MULLOCK, Stephen James, Dr ACTIVE | Secretary | 22 Jan 1992 | | | | Cambridgeshire Business Park, Ely, Cambridgeshire, CB7 4EA |
| GE, Yijie ACTIVE | Director | 28 Apr 2023 | | China | December 1988 | No.3, Gaoxin 3rd Street, International Information Industrial Base, Huilong Guan, Changping District, Beijing, 102206, China |
| MULLOCK, Stephen James, Dr ACTIVE | Director | 04 Sep 1991 | | England | February 1959 | Cambridgeshire Business Park, Ely, Cambridgeshire, CB7 4EA |
| SAND CHRISTENSEN, Kim ACTIVE | Director | 08 May 2018 | | Denmark | May 1966 | 2, Alsion, 6400 Sonderborg, Denmark |
| NAYAR, Jatinder Kumar RESIGNED | Secretary | 04 Sep 1991 | 22 Jan 1992 | | | 31 Woodhead Drive, Cambridge, Cambridgeshire, CB4 1YY |
| BRITANNIA COMPANY FORMATIONS LIMITED RESIGNED | Nominee Secretary | 04 Sep 1991 | 04 Sep 1991 | | | The Britannia Suite International House, 82-86 Deansgate, Manchester, M3 2ER |
| AUTON, John Paul, Dr RESIGNED | Director | 18 Feb 1992 | 25 Aug 2004 | United Kingdom | February 1940 | 4 Cockerton Road, Girton, Cambridge, Cambridgeshire, CB3 0QW |
| GRIFFITHS, Barrie William, Dr RESIGNED | Director | 17 Jan 1992 | 14 Feb 2019 | England | June 1947 | Cambridgeshire Business Park, Ely, Cambridgeshire, CB7 4EA |
| NAKAMINE, Atsushi RESIGNED | Director | 19 Nov 1997 | 04 Mar 2002 | | August 1953 | 2-3-101 Saga Asahicho, Ukyo-Ku, Kyoto, 6168343, Japan |
| NAYAR, Jatinder Kumar RESIGNED | Director | 04 Sep 1991 | 24 Apr 2019 | England | October 1948 | Cambridgeshire Business Park, Ely, Cambridgeshire, CB7 4EA |
| NISHIBUN, Hideyuki RESIGNED | Director | 05 Apr 2002 | 19 Nov 2013 | Japan | December 1959 | 3-6-708 Chagasaki, Otsu-City, 520-0023, Shiga, Japan |
| WANG, Qiang RESIGNED | Director | 21 Aug 2015 | 30 Jan 2019 | China | October 1964 | Beijing Sdl Technology Co. Ltd, No.3, Gaoxin Str.3, Changping District, 102206 Beijing, China |
| WEI, Pengna RESIGNED | Director | 06 Sep 2021 | 13 Apr 2023 | China | January 1981 | Beijing Sdl Technology Co., Ltd, No 3 Str 3rd International Information Ind. Base, Huilongguan Changping District, Beijing 102206, China |
| WEI, Pengna RESIGNED | Director | 21 Aug 2015 | 08 May 2018 | China | January 1981 | Beijing Sdl Technology Co. Ltd, No.3, Gaoxin Str.3, Changping District, 102206 Beijing, China |
| ZHANG, Huatian RESIGNED | Director | 30 Jan 2019 | 06 Sep 2021 | China | December 1975 | Beijing Sdl Technology Co., Ltd, No 3 Str, 3rd International Information Ind. Base, Huilongguan Changping District, Beijing, 102206, China |
| DEANSGATE COMPANY FORMATIONS LIMITED RESIGNED | Nominee Director | 04 Sep 1991 | 04 Sep 1991 | | | The Britannia Suite International House, 82-86 Deansgate, Manchester, M3 2ER |