| Company | Timeline | Status | |
Gammadata Matteknik AB Director • None | 2 Nov 2009←9 Years→9 Nov 2018 | Converted/Closed | |
| Landauer Europe, Ltd Director • Executive | 1 May 2006←8 Years→15 Sep 2014 | Active | |
| Landauer, INC Director • Executive | 1 May 2006←8 Years→18 Sep 2014 | Active | |
