| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Automobil-Center Münchenbuchsee AG in Liquidation | 🇨🇭Switzerland | Disuelta | 30/5/2022 – presente |
| Cargo | Garage R. Grünig AG | 🇨🇭Switzerland | Activa | 2/3/2022 – presente |
| Cargo | Abschlepp Service Berge AG | 🇨🇭Switzerland | Activa | 24/3/2021 – presente |
| Cargo | Carrosserie Grünig AG | 🇨🇭Switzerland | Disuelta | 20/7/2020 – presente |
30/5/2022
appointed
2/3/2022
appointed
20/7/2020
appointed