| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | SwissRockArt GmbH in Liquidation | 🇨🇭Svizzera | Liquidation | 12/12/2025 – present |
| Officer | Daldrup Bohrtechnik AG | 🇨🇭Svizzera | Active | 22/08/2024 – present |
| Officer | Schweizer Salinen AG | 🇨🇭Svizzera | Active | 31/05/2023 – present |
| Officer | Risi AG | 🇨🇭Svizzera | Active | 02/10/2018 – present |
| Officer | KJR Transportbeton AG | 🇨🇭Svizzera | Dissolved | 13/09/2018 – present |
| Officer | Basaltstein AG Buchs St. Gallen | 🇨🇭Svizzera | Dissolved | 27/01/2017 – present |
12/12/2025
appointed
22/08/2024
appointed
27/01/2017
appointed