| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Sakol Bodenbeläge GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 3/10/2017 – presente |
| Cargo | Koller Gebäudemanagement GmbH | 🇨🇭Switzerland | Activa | 6/4/2022 – presente |
| Cargo | Koller Immobilien & Gastro GmbH | 🇨🇭Switzerland | Activa | 21/4/2022 – presente |
| Cargo | Koller Hauswartung GmbH in Liquidation | 🇨🇭Switzerland | Liquidación | 21/4/2022 – presente |
3/10/2017
appointed