| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | BREBAU Holding AG in Liquidation | 🇨🇭Switzerland | Liquidación | 30/7/2019 – presente |
| Cargo | B. Steinmann AG in Liquidation | 🇨🇭Switzerland | Disuelta | 19/12/2017 – presente |
| Cargo | Künzli Immobilien AG | 🇨🇭Switzerland | Activa | 20/12/2017 – presente |
| Cargo | Egli Immobilien und Projektierungs AG | 🇨🇭Switzerland | Activa | 2/9/2021 – presente |
| Cargo | Bretscher Immobilien AG in Liquidation | 🇨🇭Switzerland | Liquidación | 4/1/2024 – presente |
| Cargo | Opus AG Bauunternehmung | 🇨🇭Switzerland | Activa | 2/4/2019 – presente |
30/7/2019
appointed
11/7/2019
appointed
20/12/2017
appointed