| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | AUFDERMAUR BELAGS- UND STRASSENBAU AG in Liquidation | 🇨🇭Switzerland | Disuelta | 9/3/2016 – presente |
| Cargo | CALE Holding AG in Liquidation | 🇨🇭Switzerland | Disuelta | 3/7/2017 – presente |
| Cargo | Bürgi Tiefbau AG in Liquidation | 🇨🇭Switzerland | Disuelta | 6/10/2016 – presente |
| Cargo | Baustoff und Belag AG BBS | 🇨🇭Switzerland | Activa | 15/8/2017 – presente |
| Cargo | Regionales Mehrzweck- und Gemeindezentrum Casino Schwyz AG | 🇨🇭Switzerland | Activa | 3/1/2023 – presente |
8/3/2023
appointed
3/11/2022
appointed
15/8/2017
appointed