| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Regio Entsorgung GmbH | 🇨🇭Svizzera | Dissolved | 13/06/2016 – present |
| Officer | ACV Revision + Controlling AG in Liquidation | 🇨🇭Svizzera | Dissolved | 27/09/2017 – present |
| Officer | LAO Kanalprofis AG | 🇨🇭Svizzera | Active | 13/06/2016 – present |
| Officer | Risch reinigt Rohre AG | 🇨🇭Svizzera | Active | 14/06/2016 – present |
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