| Company | Timeline | Status | |
| City View Management Company Limited Director • Archaeologist | 8 Sep 1992←4 Years→9 Dec 1996 | Active | |
Institute Of Field Archaeologists(The) Director • Archaeologist | 27 Oct 1990←2 Years 11 Months→7 Oct 1993 | Dissolved | |
| City View Management Company Limited Director • Unreported | 1 Jan 1970←26 Years→9 Dec 1996 | Active | |
