| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Alpina Bau- und Holzelemente GmbH in Liquidation | 🇨🇭Switzerland | Liquidación | 29/12/2025 – presente |
| Cargo | TIP Kommunikations GmbH | 🇨🇭Switzerland | Activa | 15/4/2025 – presente |
| Cargo | M. Hartmann Treuhand AG | 🇨🇭Switzerland | Activa | 2/4/2024 – presente |
| Cargo | AS - Isoliertechnik GmbH | 🇨🇭Switzerland | Activa | 21/12/2020 – presente |
| Cargo | M. Hartmann Holding AG | 🇨🇭Switzerland | Activa | 7/6/2021 – presente |
| Cargo | 47Grad Werbeagentur GmbH | 🇨🇭Switzerland | Activa | 12/2/2021 – presente |
29/12/2025
appointed
15/4/2025
appointed
7/6/2021
appointed