| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Strässle Fiducia GmbH | 🇨🇭Switzerland | Activa | 2/12/2022 – presente |
| Cargo | RoRa Treuhand + Revisions AG | 🇨🇭Switzerland | Activa | 15/12/2017 – presente |
| Cargo | BRT Treuhand AG | 🇨🇭Switzerland | Disuelta | 19/1/2017 – presente |
| Cargo | Dr. oec. H.P. Bieri Steuer-, Finanz- und Wirtschaftsberatung AG Burgdorf | 🇨🇭Switzerland | Activa | 22/12/2017 – presente |
2/12/2022
appointed
15/12/2017
appointed
19/1/2017
appointed