| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Ulmann Holzbau AG | 🇨🇭Switzerland | Activa | 5/5/2022 – presente |
| Cargo | F. Ulmann, BAUHERRENBERATUNG GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 23/1/2023 – presente |
| Cargo | Franz Ulmann + Partner GmbH | 🇨🇭Switzerland | Activa | 5/5/2022 – presente |
| Cargo | Franz Ulmann AG | 🇨🇭Switzerland | Activa | 3/3/2017 – presente |
22/12/2023
appointed
23/1/2023
appointed
5/5/2022
appointed