| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Architekturbüro Bieri AG | 🇨🇭Switzerland | Activa | 9/1/2024 – presente |
| Cargo | Thomas Bieri Architektur + Baumanagement | 🇨🇭Switzerland | Activa | 12/7/2022 – presente |
| Cargo | Rolf Bossard AG in Liquidation | 🇨🇭Switzerland | Disuelta | 13/9/2018 – presente |
| Cargo | Biogas Zürich AG | 🇨🇭Switzerland | Activa | 28/1/2020 – presente |
| Cargo | Concolor AG | 🇨🇭Switzerland | Activa | 3/12/2020 – presente |
| Cargo | Genossenschaft WOGENO Zürich | 🇨🇭Switzerland | Activa | 11/8/2021 – presente |
11/7/2025
appointed
12/7/2022
appointed