| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | ACT Anzeige- & Informationstechnik AG in Liquidation | 🇨🇭Switzerland | Disuelta | 18/6/2020 – presente |
| Cargo | Lehner Akustik AG | 🇨🇭Switzerland | Activa | 9/12/2019 – presente |
| Cargo | Falknis-Netz, Genossenschaft Kommunikationsnetz Maienfeld-Jenins in Liquidation | 🇨🇭Switzerland | Disuelta | 5/3/2019 – presente |
18/6/2020
appointed
9/12/2019
appointed
5/3/2019
appointed