| Company | Timeline | Status | |
| Telehouse Holdings Limited Director • Director | 15 Sep 2002←2 Years 6 Months→1 Apr 2005 | Active | |
| Telehouse International Corporation Of Europe Ltd Director • Company Director | 5 Oct 2000←4 Years→1 Apr 2005 | Active | |
KDDI Eastern Europe Limited Director • Company Director | 31 Jul 2000←7 Years→31 Mar 2008 | Dissolved | |
| KDDI Europe Limited Director • Company Director | 31 Jul 2000←10 Years→31 Mar 2011 | Active | |
