| Company | Timeline | Status | |
| Clwyd-Powys Archaeological Trust(The) Director • University Lecturer | 12 Nov 1992←31 Years→31 Mar 2024 | Active | |
| The Trust For Welsh Archaeology Director • University Lecturer | 8 Sep 1991←32 Years→1 Nov 2023 | Active | |
| Clwyd-Powys Archaeological Trust(The) Director • Unreported | 1 Jan 1970←54 Years→31 Mar 2024 | Active | |
