| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | H.G. Frey Liegenschaften GmbH | 🇨🇭Switzerland | Activa | 15/1/2018 – presente |
| Cargo | Arton Bau GmbH | 🇨🇭Switzerland | Disuelta | 7/7/2016 – presente |
| Cargo | Arton AG | 🇨🇭Switzerland | Disuelta | 7/7/2016 – presente |
15/1/2018
appointed