| Company | Timeline | Status | |
| Society For The Promotion Of Roman Studies(The) Director • Archaeologist | 8 Jun 2002←2 Years 12 Months→4 Jun 2005 | Active | |
| Association For The History Of Glass, Limited(The) Director • Archaeologist | 16 Mar 2000←4 Years→25 Nov 2004 | Active | |
| Barbican Research Associates Limited Director • Scientific Archaeologist | 23 Feb 2000←25 Years→Current | Active | |
