| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Garage Keller AG, Aadorf | 🇨🇭Switzerland | Activa | 22/4/2025 – presente |
| Cargo | Küng Holding AG Bern | 🇨🇭Switzerland | Activa | 14/10/2024 – presente |
| Cargo | Schweizer Reisekasse (Reka) Genossenschaft | 🇨🇭Switzerland | Activa | 28/6/2024 – presente |
| Cargo | AVIA Autobahn-Service Forrenberg AG | 🇨🇭Switzerland | Activa | 15/9/2021 – presente |
| Cargo | Osterwalder Zürich AG | 🇨🇭Switzerland | Activa | 8/1/2021 – presente |
| Cargo | Personalfürsorgestiftung der Lang-Unternehmungen | 🇨🇭Switzerland | Activa | 11/9/2019 – presente |
| Cargo | Lang Energie AG | 🇨🇭Switzerland | Activa | 29/8/2019 – presente |
| Cargo | Store Service Holding AG | 🇨🇭Switzerland | Disuelta | 10/5/2017 – presente |
| Cargo | AVIA Vereinigung unabhängiger Schweizer Importeure und Anbieter von Energieprodukten, Genossenschaft | 🇨🇭Switzerland | Activa | 12/12/2016 – presente |
22/4/2025
appointed
14/10/2024
appointed
12/12/2016
appointed