| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | David Birrer Mountain Merch | 🇨🇭Svizzera | Active | 29/10/2025 – present |
| Officer | Birrer Schreinerei Holzbau AG | 🇨🇭Svizzera | Active | 05/11/2024 – present |
| Officer | Lufthansa Aviation Training Switzerland AG | 🇨🇭Svizzera | Active | 11/01/2017 – present |
29/10/2025
appointed
05/11/2024
appointed
11/01/2017
appointed