| Company | Timeline | Status | |
| Armstrong (U.K.) Investments Director • Senior Vp Europe | 14 Dec 2006←1 Year 5 Months→23 May 2008 | Active | |
| Zentia Profiles Limited Director • Senior Vp Europe | 1 Jul 2004←3 Years→23 May 2008 | Active | |
| Armstrong Building Products Director • Senior Vp Europe | 29 Jun 2004←3 Years→23 May 2008 | Dissolved | |
| Zentia Limited Director • Senior Vp Europe | 11 Jun 2004←3 Years→23 May 2008 | Active | |
