| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | H.G. Frey Liegenschaften GmbH | 🇨🇭Switzerland | Active | 15/01/2018 – present |
| Officer | Arton Bau GmbH | 🇨🇭Switzerland | Dissolved | 07/07/2016 – present |
| Officer | Arton AG | 🇨🇭Switzerland | Dissolved | 07/07/2016 – present |
15/01/2018
appointed