| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Genossenschaft Wasser Steinbach | 🇨🇭Switzerland | Activa | 19/11/2025 – presente |
| Cargo | Kümin & Kälin Montagen GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 28/12/2023 – presente |
| Cargo | Sepp Kälin AG | 🇨🇭Switzerland | Activa | 1/6/2022 – presente |
| Cargo | Hydranten & Service GmbH | 🇨🇭Switzerland | Activa | 21/3/2022 – presente |
| Cargo | Schweizerische Technische Fachschule Winterthur (STF) | 🇨🇭Switzerland | Activa | 30/4/2021 – presente |
| Cargo | Genossenschaft Nidlau-Schmalzgrube-Ried-Unteriberg | 🇨🇭Switzerland | Activa | 30/6/2020 – presente |
| Cargo | Micronor AG | 🇨🇭Switzerland | Activa | 16/1/2018 – presente |
| Cargo | Arthur Kälin AG, Architektur- und Generalunternehmung | 🇨🇭Switzerland | Activa | 22/1/2019 – presente |
| Cargo | Kälin Sanitär+Heizung AG | 🇨🇭Switzerland | Activa | 9/8/2017 – presente |
| Cargo | BÄCHLER INSTALLATIONEN AG | 🇨🇭Switzerland | Activa | 9/8/2017 – presente |
19/11/2025
appointed
28/12/2023
appointed
16/1/2018
appointed