| Company | Timeline | Status | |
Boart Longyear (Holdings) Limited Director • Director | 14 May 2001←1 Year 11 Months→1 May 2003 | Dissolved | |
Winterthur Technology UK Limited Director • Director | 1 Jan 1998←3 Years→5 Mar 2001 | Dissolved | |
Dongray Industrial Limited Director • Manager | 19 May 1997←6 Years→21 May 2003 | Dissolved | |
