| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Bohrfix Erdsonden AG | 🇨🇭Switzerland | Activa | 13/12/2023 – presente |
| Cargo | Terracalor AG | 🇨🇭Switzerland | Disuelta | 27/4/2020 – presente |
| Cargo | Baurac GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 15/4/2016 – presente |
| Cargo | Tank Cleaning Basel GmbH | 🇨🇭Switzerland | Activa | 15/4/2016 – presente |
13/12/2023
appointed
27/4/2020
appointed