| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | IUB Immobilien und Unternehmensbeteiligungen AG | 🇨🇭Switzerland | Activa | 19/8/2022 – presente |
| Cargo | Arnold Finanz GmbH | 🇨🇭Switzerland | Disuelta | 3/6/2022 – presente |
| Cargo | Welte Treuhand AG | 🇨🇭Switzerland | Activa | 10/8/2016 – presente |
19/8/2022
appointed
3/6/2022
appointed
10/8/2016
appointed