| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Alpina Bau- und Holzelemente GmbH in Liquidation | 🇨🇭Switzerland | Liquidation | 29/12/2025 – present |
| Officer | TIP Kommunikations GmbH | 🇨🇭Switzerland | Active | 15/04/2025 – present |
| Officer | M. Hartmann Treuhand AG | 🇨🇭Switzerland | Active | 02/04/2024 – present |
| Officer | AS - Isoliertechnik GmbH | 🇨🇭Switzerland | Active | 21/12/2020 – present |
| Officer | M. Hartmann Holding AG | 🇨🇭Switzerland | Active | 07/06/2021 – present |
| Officer | 47Grad Werbeagentur GmbH | 🇨🇭Switzerland | Active | 12/02/2021 – present |
29/12/2025
appointed
15/04/2025
appointed
07/06/2021
appointed