| الدور | الشركة | البلد | الحالة | نطاق التاريخ |
|---|---|---|---|---|
| ضابط | Event Ding AG | 🇨🇭Switzerland | نشط | 28/01/2025 – حاضر |
| ضابط | MIO - Messe in Olten GmbH in Liquidation | 🇨🇭Switzerland | التصفية | 20/01/2021 – حاضر |
| ضابط | Kein Ding GmbH | 🇨🇭Switzerland | نشط | 12/12/2017 – حاضر |
28/01/2025
appointed
20/01/2021
appointed
23/12/2020
appointed