| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Genossenschaft Wasser Steinbach | 🇨🇭Svizzera | Active | 19/11/2025 – present |
| Officer | Kümin & Kälin Montagen GmbH in Liquidation | 🇨🇭Svizzera | Dissolved | 28/12/2023 – present |
| Officer | Sepp Kälin AG | 🇨🇭Svizzera | Active | 01/06/2022 – present |
| Officer | Hydranten & Service GmbH | 🇨🇭Svizzera | Active | 21/03/2022 – present |
| Officer | Schweizerische Technische Fachschule Winterthur (STF) | 🇨🇭Svizzera | Active | 30/04/2021 – present |
| Officer | Genossenschaft Nidlau-Schmalzgrube-Ried-Unteriberg | 🇨🇭Svizzera | Active | 30/06/2020 – present |
| Officer | Micronor AG | 🇨🇭Svizzera | Active | 16/01/2018 – present |
| Officer | Arthur Kälin AG, Architektur- und Generalunternehmung | 🇨🇭Svizzera | Active | 22/01/2019 – present |
| Officer | Kälin Sanitär+Heizung AG | 🇨🇭Svizzera | Active | 09/08/2017 – present |
| Officer | BÄCHLER INSTALLATIONEN AG | 🇨🇭Svizzera | Active | 09/08/2017 – present |
19/11/2025
appointed
28/12/2023
appointed
16/01/2018
appointed