| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Wärmeverbund Steiner AG | 🇨🇭Switzerland | Disuelta | 23/12/2025 – presente |
| Cargo | Burgrain Wasser AG | 🇨🇭Switzerland | Activa | 15/1/2018 – presente |
| Cargo | Dorfbrunnengenossenschaft Ettiswil | 🇨🇭Switzerland | Activa | 22/12/2017 – presente |
23/12/2025
appointed
15/1/2018
appointed
22/12/2017
appointed