| Company | Timeline | Status | |
Tensil Holdings Limited Director • Director Ceo  | 20 Dec 2004←3 Months→12 Apr 2005  | Dissolved  | |
| Tennant Metallurgical Group Limited Director • Director Ceo  | 11 Aug 2004←4 Years→6 Oct 2008  | Active  | |
| Scancem Supply Limited Director • Chairman  | 7 Aug 1993←5 Years→21 Dec 1998  | Active  | |
| Heidelberg Materials Cement Holding Limited Director • Director  | 1 Feb 1993←5 Years→21 Dec 1998  | Active  | |
| Scancem International Limited Director • Chairman  | 1 Jan 1993←5 Years→21 Dec 1998  | Active  | |
| Castle Cement Limited Director • Chairman  | 1 Jan 1993←5 Years→7 Dec 1998  | Active  | |
