| Company | Timeline | Status | |
| Cwmni Gwynant Cyf Director • Darlithydd Prifysgol | 3 Jan 2001←24 Years→Current | Active | |
| Cwmni Gwynant Cyf Secretary • University Lecturer | 3 Jan 2001←24 Years→Current | Active | |
| Gwynedd Archaeological Trust Limited Director • University Lecturer | 30 Sep 1991←23 Years→9 Sep 2015 | Active | |
