| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Baugenossenschaft Aarwangen | 🇨🇭Switzerland | Activa | 14/7/2017 – presente |
| Cargo | haldimann + schärer ag | 🇨🇭Switzerland | Activa | 29/3/2017 – presente |
| Cargo | Philipp Schärer Holding AG | 🇨🇭Switzerland | Disuelta | 29/3/2017 – presente |
| Cargo | A. + H. Haldimann Holding AG | 🇨🇭Switzerland | Disuelta | 29/3/2017 – presente |
20/3/2020
appointed