| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Walker Heizungen AG | 🇨🇭Switzerland | Disuelta | 19/1/2021 – presente |
| Cargo | Erdgas Obersee-Linth Transport AG | 🇨🇭Switzerland | Activa | 9/2/2017 – presente |
| Cargo | Energie Zürichsee Linth AG | 🇨🇭Switzerland | Activa | 16/9/2016 – presente |
19/1/2021
appointed
9/2/2017
appointed
16/9/2016
appointed