| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Hänggi Bauleitung GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 28/1/2019 – presente |
| Cargo | Blumberg AG | 🇨🇭Switzerland | Activa | 21/6/2022 – presente |
| Cargo | X-Baumanagement AG | 🇨🇭Switzerland | Activa | 15/4/2021 – presente |
28/1/2019
appointed