| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | SDP Service und Logistik AG in Liquidation | 🇨🇭Switzerland | Disuelta | 28/9/2022 – presente |
| Cargo | JP Steuer AG | 🇨🇭Switzerland | Activa | 19/9/2018 – presente |
| Cargo | EOLIS AG | 🇨🇭Switzerland | Activa | 6/7/2017 – presente |
| Cargo | Deutschland/Schweiz Steuerberatungs AG in Liquidation | 🇨🇭Switzerland | Disuelta | 4/8/2016 – presente |
28/9/2022
appointed
9/7/2021
appointed