| GANDERTON, Laura Jayne ACTIVE | Secretary | 03 Sep 2025 | | | | I54 Business Park, Valiant Way, Wolverhampton, WV9 5GB, England |
| KNECHT, Johannes Friedrich ACTIVE | Director | 03 Sep 2025 | | Germany | April 1973 | I54 Business Park, Valiant Way, Wolverhampton, WV9 5GB, England |
| WATTS, Michael Robert ACTIVE | Director | 03 Sep 2025 | | England | October 1968 | I54 Business Park, Valiant Way, Wolverhampton, WV9 5GB, England |
| DAWE, Helena RESIGNED | Secretary | 01 Jan 2007 | 28 Aug 2008 | | | 22 Trealaw Road, Trealaw, Tonypandy, Mid Glamorgan, CF40 2NS |
| HARRISON, Irene Lesley RESIGNED | Nominee Secretary | 09 May 1994 | 09 May 1994 | | | Fy Mwthin, 22 Merthyr Road Tongwynlais, Cardiff, South Glamorgan, CF15 7LH |
| PUNTAN, Mark Jonathan RESIGNED | Secretary | 09 May 1994 | 02 Nov 2000 | | | 29 Ilston Way, West Cross, Swansea, West Glamorgan, SA3 5LG |
| WHALEY, Catherine Jane, Doctor RESIGNED | Secretary | 07 Feb 2001 | 31 Dec 2006 | | | West Lea, Butt Bank Fourstones, Hexham, Northumberland, NE47 5DN |
| CLARIDGE, Michael Frederick RESIGNED | Director | 09 May 1994 | 29 Jun 1998 | | June 1934 | 84 The Hollies, Quakers Yard, Treharris, Mid Glamorgan, CF46 5PP |
| FRY, John Christoper, Professor RESIGNED | Director | 17 Jul 1995 | 31 Oct 2000 | | June 1944 | Brook House Newport Road, Llantarnam, Cwmbran, Gwent, NP44 3BP |
| GALL, Stuart Arthur RESIGNED | Director | 30 Jul 2010 | 29 Jun 2021 | United Kingdom | October 1962 | Capital Business Park, Capital Business Park, Wentloog, Cardiff, CF3 2PX, United Kingdom |
| HANSON, Matthew James RESIGNED | Director | 29 Jun 2021 | 31 May 2022 | United Kingdom | November 1983 | Coopers Bridge, Braziers Lane, Winkfield, Berkshire, RG42 6NS, United Kingdom |
| HEAVEN, Helena RESIGNED | Director | 28 Aug 2008 | 01 Sep 2019 | United Kingdom | August 1979 | Maescoed Cottage, High Cross, Rogerstone, Newport, Gwent, NP10 9GN, Wales |
| KIDD, Neil Alexander Cunningham, Dr RESIGNED | Director | 10 Jan 1997 | 03 Oct 2002 | United Kingdom | January 1950 | 30 Cefn Coed Avenue, Cardiff, South Glamorgan, CF23 6HG |
| LANGLEY, Peter Anthony RESIGNED | Director | 09 May 1994 | 01 Feb 2006 | | March 1938 | Marwood Ladymead Lane, Langford, Bristol, Avon, BS18 7ED |
| LUCAS, Colin Michael, Doctor RESIGNED | Director | 14 Oct 1998 | 08 Dec 2000 | | April 1949 | Pantrhiwddulais Farm, Talgarreg, Llandysul, Dyfed, SA44 4XN |
| MCEWEN, Peter Kwaku RESIGNED | Director | 28 Sep 2021 | 31 Jan 2023 | United Kingdom | March 1961 | Coopers Bridge, Braziers Lane, Winkfield, Berkshire, RG42 6NS, United Kingdom |
| MCEWEN, Peter Kwaku RESIGNED | Director | 14 Oct 1998 | 29 Jun 2021 | United Kingdom | March 1961 | 4, Marionville Gardens, Cardiff, CF5 2LR, Wales |
| MCPHEETERS, Robert RESIGNED | Director | 12 Nov 2021 | 03 Sep 2025 | United States | September 1975 | 500, Riverside Industrial Parkway, Portland, Me, United States |
| MORJANA, Ram RESIGNED | Director | 01 Feb 2010 | 05 Apr 2011 | Uk | April 1954 | Dunkeld, Llanbadoc, Usk, Monmouthshire, NP15 1TG |
| MORJARIA, Ram RESIGNED | Director | 04 Nov 2002 | 24 Jul 2009 | Wales | April 1954 | Dunkeld The Nurseries, Llanbadoc, Usk, Monmouthshire, NP15 1TG |
| PARRINGTON, Simon Christopher RESIGNED | Director | 29 Jun 2021 | 24 Feb 2023 | England | October 1970 | Coopers Bridge, Braziers Lane, Winkfield, Berkshire, RG42 6NS, United Kingdom |
| SENIOR, Lara Joanne RESIGNED | Director | 01 Jan 2003 | 23 Nov 2006 | | April 1971 | 8 Beech Close, Caerphilly, Mid Glamorgan, CF83 1SF |
| SMALL, Graham, Dr RESIGNED | Director | 01 Feb 2006 | 04 Apr 2014 | United Kingdom | May 1961 | 53 Meadowsweet Drive, St Mellons, Cardiff, South Glamorgan, CF3 0RD |
| WELCH, William RESIGNED | Director | 12 Nov 2021 | 03 Sep 2025 | United States | July 1977 | 500, Riverside Industrial Parkway, Portland, Me, United States |
| WHALEY, Catherine Jane, Doctor RESIGNED | Director | 01 Jan 2003 | 29 Jun 2021 | United Kingdom | January 1972 | West Lea, West Lea, Butt Bank Fourstones, Hexham, Northumberland, NE47 5DN, United Kingdom |
| BUSINESS INFORMATION RESEARCH & REPORTING LIMITED RESIGNED | Nominee Director | 09 May 1994 | 09 May 1994 | | | Crown House, 64 Whitchurch Road, Cardiff, CF14 3LX |