| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Brunner Mulden GmbH in Liquidation | 🇨🇭Svizzera | Dissolved | 29/09/2017 – present |
| Officer | AREWA GmbH in Liquidation | 🇨🇭Svizzera | Dissolved | 27/07/2023 – present |
| Officer | REWAG Entsorgung AG | 🇨🇭Svizzera | Active | 04/10/2017 – present |
| Officer | Walter Brogli AG in Liquidation | 🇨🇭Svizzera | Dissolved | 26/09/2017 – present |
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