| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | SwissRockArt GmbH in Liquidation | 🇨🇭Switzerland | Liquidación | 12/12/2025 – presente |
| Cargo | Daldrup Bohrtechnik AG | 🇨🇭Switzerland | Activa | 22/8/2024 – presente |
| Cargo | Schweizer Salinen AG | 🇨🇭Switzerland | Activa | 31/5/2023 – presente |
| Cargo | Risi AG | 🇨🇭Switzerland | Activa | 2/10/2018 – presente |
| Cargo | KJR Transportbeton AG | 🇨🇭Switzerland | Disuelta | 13/9/2018 – presente |
| Cargo | Basaltstein AG Buchs St. Gallen | 🇨🇭Switzerland | Disuelta | 27/1/2017 – presente |
12/12/2025
appointed
22/8/2024
appointed
27/1/2017
appointed