| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Pauschalmakler AG | 🇨🇭Switzerland | Activa | 21/8/2020 – presente |
| Cargo | Marthaler Immobilien AG | 🇨🇭Switzerland | Activa | 4/7/2019 – presente |
| Cargo | MÜLLER + SPECHT AG | 🇨🇭Switzerland | Activa | 25/5/2018 – presente |
| Cargo | Increa AG | 🇨🇭Switzerland | Activa | 10/12/2025 – presente |
| Cargo | Rheinpark Immobilien AG | 🇨🇭Switzerland | Activa | 13/10/2025 – presente |
| Cargo | SPECHT IMMOBILIEN GMBH | 🇨🇭Switzerland | Activa | 27/10/2017 – presente |
| Cargo | Müller Immobilien AG | 🇨🇭Switzerland | Activa | 5/10/2016 – presente |
| Cargo | Tridente GmbH | 🇨🇭Switzerland | Activa | 17/3/2025 – presente |
| Cargo | AA further handel GmbH | 🇨🇭Switzerland | Activa | 21/7/2020 – presente |
16/2/2026
appointed
8/1/2026
appointed
2/8/2019
appointed