| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Belreba AG | 🇨🇭Switzerland | Activa | 18/10/2019 – presente |
| Cargo | Macadam AG | 🇨🇭Switzerland | Activa | 18/10/2019 – presente |
| Cargo | Borer Chemie AG | 🇨🇭Switzerland | Activa | 17/6/2019 – presente |
| Cargo | Ad. Stebler-Gyr AG | 🇨🇭Switzerland | Activa | 28/4/2016 – presente |
| Cargo | Wirz Immobilien und Beteiligungen AG | 🇨🇭Switzerland | Activa | 28/4/2016 – presente |
| Cargo | Rudolf Wirz Strassen- und Tiefbau AG | 🇨🇭Switzerland | Activa | 28/4/2016 – presente |
18/10/2019
appointed
17/6/2019
appointed
28/4/2016
appointed