| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Belvest AG | 🇨🇭Switzerland | Activa | 12/9/2024 – presente |
| Cargo | Allco Holding AG | 🇨🇭Switzerland | Activa | 12/4/2021 – presente |
| Cargo | Allco AG Totalunternehmung | 🇨🇭Switzerland | Activa | 12/12/2018 – presente |
| Cargo | K Plus Architekten AG | 🇨🇭Switzerland | Activa | 16/1/2020 – presente |
| Cargo | kaufmann project | 🇨🇭Switzerland | Activa | 13/11/2019 – presente |
| Cargo | Rolf Kaufmann Strassenbau AG | 🇨🇭Switzerland | Activa | 4/3/2016 – presente |
12/9/2024
appointed
12/4/2021
appointed
4/3/2016
appointed