| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Josef Burch Keramische Wand- und Bodenbeläge GmbH in Liquidation | 🇨🇭Switzerland | Dissolved | 16/12/2021 – present |
| Officer | Wasserversorgungsgenossenschaft Obstalden in Liquidation | 🇨🇭Switzerland | Dissolved | 13/12/2019 – present |
| Officer | BUGRA Natursteine GmbH in Liquidation | 🇨🇭Switzerland | Liquidation | 21/05/2025 – present |
| Officer | SCHLUSSGANG Medien AG | 🇨🇭Switzerland | Active | 12/01/2023 – present |
16/12/2021
appointed
13/12/2019
appointed