| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Kälin & Partner Bauingenieure/Planer GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 25/8/2021 – presente |
| Cargo | Zimmermann & Partner Bauingenieure/Planer GmbH | 🇨🇭Switzerland | Activa | 29/12/2023 – presente |
25/8/2021
appointed