| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Birchmeier Spezialtiefbau AG | 🇨🇭Svizzera | Active | 19/11/2025 – present |
| Officer | LUDIN & BIRCHMEIER AG | 🇨🇭Svizzera | Active | 17/10/2025 – present |
| Officer | Birchmeier Baumanagement AG | 🇨🇭Svizzera | Active | 21/06/2024 – present |
| Officer | Birchmeier Kies + Deponie AG | 🇨🇭Svizzera | Active | 19/06/2024 – present |
| Officer | Birchmeier Development AG | 🇨🇭Svizzera | Active | 19/02/2021 – present |
| Officer | Birchmeier Bau AG | 🇨🇭Svizzera | Active | 17/06/2024 – present |
| Officer | Birchmeier Kies + Beton AG | 🇨🇭Svizzera | Active | 17/06/2024 – present |
| Officer | Birchmeier Immobilien AG | 🇨🇭Svizzera | Active | 17/06/2024 – present |
| Officer | MB Umwelt AG | 🇨🇭Svizzera | Active | 11/07/2023 – present |
| Officer | Bugmann, Schifferle & Cie, AG | 🇨🇭Svizzera | Active | 15/04/2021 – present |
| Officer | Park Himmelrych AG | 🇨🇭Svizzera | Active | 07/05/2020 – present |
| Officer | Birchmeier Holding AG | 🇨🇭Svizzera | Active | 26/06/2018 – present |
19/11/2025
appointed
17/10/2025
appointed
26/06/2018
appointed