| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Marcel Müller Organisations- und Unternehmensentwicklung GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 9/2/2024 – presente |
| Cargo | Birgelen & Kaufmann Treuhand AG | 🇨🇭Switzerland | Activa | 4/4/2017 – presente |
9/2/2024
appointed
25/11/2021
appointed