| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | M. Hartmann Treuhand AG | 🇨🇭Switzerland | Activa | 4/1/2017 – presente |
| Cargo | hartmannpartner audit ag | 🇨🇭Switzerland | Activa | 25/3/2024 – presente |
| Cargo | wega & sunergy gmbh | 🇨🇭Switzerland | Activa | 26/7/2022 – presente |
| Cargo | M. Hartmann Holding AG | 🇨🇭Switzerland | Activa | 7/6/2021 – presente |
| Cargo | K.E.M. Montage Schweiz GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 13/12/2021 – presente |
| Cargo | J. Weder-Meier AG | 🇨🇭Switzerland | Activa | 26/5/2020 – presente |
| Cargo | Reswic AG | 🇨🇭Switzerland | Activa | 17/11/2016 – presente |
| Cargo | G5 Signature GmbH | 🇨🇭Switzerland | Activa | 15/5/2025 – presente |
| Cargo | GB Handels GmbH | 🇨🇭Switzerland | Activa | 22/7/2022 – presente |
2/4/2024
appointed
25/3/2024
appointed
17/11/2016
appointed