| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Asphaltierung Nordwest AG in Liquidation | 🇨🇭Svizzera | Dissolved | 14/06/2016 – present |
| Officer | Ad. Stebler-Gyr AG | 🇨🇭Svizzera | Active | 28/04/2016 – present |
| Officer | Luigi Mazzotti AG in Liquidation | 🇨🇭Svizzera | Dissolved | 21/06/2018 – present |
| Officer | Deponie Höli Liestal AG | 🇨🇭Svizzera | Active | 01/06/2017 – present |
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