| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Birchmeier Spezialtiefbau AG | 🇨🇭Switzerland | Activa | 19/11/2025 – presente |
| Cargo | LUDIN & BIRCHMEIER AG | 🇨🇭Switzerland | Activa | 17/10/2025 – presente |
| Cargo | Birchmeier Baumanagement AG | 🇨🇭Switzerland | Activa | 21/6/2024 – presente |
| Cargo | Birchmeier Kies + Deponie AG | 🇨🇭Switzerland | Activa | 19/6/2024 – presente |
| Cargo | Birchmeier Development AG | 🇨🇭Switzerland | Activa | 19/2/2021 – presente |
| Cargo | Birchmeier Bau AG | 🇨🇭Switzerland | Activa | 17/6/2024 – presente |
| Cargo | Birchmeier Kies + Beton AG | 🇨🇭Switzerland | Activa | 17/6/2024 – presente |
| Cargo | Birchmeier Immobilien AG | 🇨🇭Switzerland | Activa | 17/6/2024 – presente |
| Cargo | MB Umwelt AG | 🇨🇭Switzerland | Activa | 11/7/2023 – presente |
| Cargo | Bugmann, Schifferle & Cie, AG | 🇨🇭Switzerland | Activa | 15/4/2021 – presente |
| Cargo | Park Himmelrych AG | 🇨🇭Switzerland | Activa | 7/5/2020 – presente |
| Cargo | Birchmeier Holding AG | 🇨🇭Switzerland | Activa | 26/6/2018 – presente |
19/11/2025
appointed
17/10/2025
appointed
26/6/2018
appointed