| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | MEDICA Medizinische Laboratorien AG | 🇨🇭Svizzera | Active | 20/11/2025 – present |
| Officer | Risch Immobilien AG in Liquidation | 🇨🇭Svizzera | Dissolved | 22/08/2016 – present |
| Officer | Risch reinigt Rohre AG | 🇨🇭Svizzera | Active | 29/06/2016 – present |
| Officer | RSA Recycling- und Sortieranlage AG | 🇨🇭Svizzera | Active | 29/06/2016 – present |
| Officer | Roland Baumgartner AG | 🇨🇭Svizzera | Active | 29/06/2016 – present |
| Officer | LAO Kanalprofis AG | 🇨🇭Svizzera | Active | 28/06/2016 – present |
| Officer | Regio Entsorgung GmbH | 🇨🇭Svizzera | Dissolved | 28/06/2016 – present |
20/11/2025
appointed
18/11/2022
appointed
28/06/2016
appointed