| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Sieber Logistics AG | 🇨🇭Switzerland | Activa | 15/12/2025 – presente |
| Cargo | SFL AG | 🇨🇭Switzerland | Activa | 15/12/2025 – presente |
| Cargo | Sieber Holding AG | 🇨🇭Switzerland | Activa | 15/12/2025 – presente |
| Cargo | Sieber Handling AG | 🇨🇭Switzerland | Activa | 15/12/2025 – presente |
| Cargo | Timber Structures 3.0 AG | 🇨🇭Switzerland | Activa | 28/10/2021 – presente |
15/12/2025
appointed
28/10/2021
appointed