| Company | Timeline | Status | |
| Brading Roman Villa Trust Director • Professor Of Archaeology | 31 Mar 2015←10 Years→Current | Active | |
| Museum Of London Archaeology Director • Professor Of Archaeology | 24 Aug 2011←3 Years→25 Aug 2014 | Active | |
| Clio Enterprises Limited Director • Professor | 13 Apr 2011←4 Years→10 Nov 2015 | Active | |
| Society For The Promotion Of Roman Studies(The) Director • University Professor | 4 Jun 2005←13 Years→2 Jun 2018 | Active | |
| Society For The Promotion Of Roman Studies(The) Director • University Professor | 27 Jun 1991←8 Years→16 Nov 1999 | Active | |
| Cotswold Archaeology Limited Director • Professor Of Archaeology | 1 May 1991←2 Years 6 Months→27 Oct 1993 | Active | |
| Wessex Archaeology Limited Director • University Professor | 1 Jan 1970←24 Years→26 Sep 1994 | Active | |
