| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Ketta Group AG | 🇨🇭Switzerland | Activa | 9/3/2026 – presente |
| Cargo | Rolbera GmbH in Liquidation | 🇨🇭Switzerland | Liquidación | 21/10/2016 – presente |
| Cargo | Bohrfix Erdsonden AG | 🇨🇭Switzerland | Activa | 13/12/2023 – presente |
| Cargo | Toni Transport GmbH | 🇨🇭Switzerland | Activa | 28/12/2021 – presente |
| Cargo | Keta Invest GmbH | 🇨🇭Switzerland | Activa | 3/9/2019 – presente |
9/3/2026
appointed
23/2/2024
appointed
20/12/2019
appointed