| Company | Timeline | Status | |
| Bucyrus Europe Holdings Limited Director • Director | 17 Jan 2000←11 Years→8 Jul 2011 | Dissolved | |
| HBT Engineering Services Limited Director • Director | 17 Jan 2000←11 Years→8 Jul 2011 | Active | |
| Bucyrus Europe Holdings Limited Director • Business Executive | 3 Aug 1995←3 Years→31 Dec 1998 | Dissolved | |
| HBT Engineering Services Limited Director • Business Executive | 3 Aug 1995←3 Years→31 Dec 1998 | Active | |
