| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Wagner Immobilien GmbH | 🇨🇭Switzerland | Activa | 16/1/2020 – presente |
| Cargo | Wohnpark Kiesgrube AG in Liquidation | 🇨🇭Switzerland | Disuelta | 1/4/2016 – presente |
| Cargo | GEBAG Generalbau AG | 🇨🇭Switzerland | Activa | 10/3/2016 – presente |
| Cargo | Trefina AG | 🇨🇭Switzerland | Activa | 7/3/2016 – presente |
| Cargo | Rewotex AG | 🇨🇭Switzerland | Activa | 2/3/2016 – presente |
16/1/2020
appointed
1/4/2016
appointed
2/3/2016
appointed