| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | TOP MINERAL AG | 🇨🇭Switzerland | Activa | 26/9/2022 – presente |
| Cargo | PAG Pump-Beton AG Lenzburg | 🇨🇭Switzerland | Activa | 14/11/2019 – presente |
| Cargo | VKB AARGAU - Verband der Kies- und Betonproduzenten Aargau | 🇨🇭Switzerland | Activa | 8/7/2019 – presente |
| Cargo | Bauunternehmer Region Basel (BRB) | 🇨🇭Switzerland | Activa | 19/6/2017 – presente |
| Cargo | Belagswerk Rinau AG | 🇨🇭Switzerland | Activa | 9/6/2016 – presente |
| Cargo | Vorsorgestiftung der Frey-Unternehmungen, Augst | 🇨🇭Switzerland | Activa | 24/5/2016 – presente |
| Cargo | Immoka Immobilien AG | 🇨🇭Switzerland | Activa | 13/9/2021 – presente |
| Cargo | Ernst Frey AG | 🇨🇭Switzerland | Activa | 9/7/2021 – presente |
26/9/2022
appointed
14/11/2019
appointed
24/5/2016
appointed