| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Top Beschichtungen GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 12/7/2017 – presente |
| Cargo | Gebrüder Kaufmann Holding GmbH | 🇨🇭Switzerland | Activa | 14/4/2023 – presente |
| Cargo | Alpha Business GmbH | 🇨🇭Switzerland | Activa | 14/4/2023 – presente |
| Cargo | Multi Renova AG | 🇨🇭Switzerland | Activa | 29/12/2020 – presente |
| Cargo | Schwimmbadgenossenschaft Uetendorf | 🇨🇭Switzerland | Activa | 8/4/2020 – presente |
| Cargo | Asbestdemontagen plus GmbH | 🇨🇭Switzerland | Activa | 16/7/2018 – presente |
18/7/2023
appointed
14/4/2023
appointed
16/7/2018
appointed