| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | AlpTransit Gotthard AG | 🇨🇭Svizzera | Dissolved | 27/06/2022 – present |
| Officer | Marti Präzisionsmechanik AG | 🇨🇭Svizzera | Active | 16/03/2016 – present |
| Officer | Feldmann Totalunternehmung Jona AG | 🇨🇭Svizzera | Dissolved | 12/04/2016 – present |
| Officer | Feldmann Pneukran + Transport AG | 🇨🇭Svizzera | Active | 13/04/2016 – present |
| Officer | Feldmann Totalunternehmung AG | 🇨🇭Svizzera | Active | 31/03/2016 – present |
| Officer | Feldmann Holding AG | 🇨🇭Svizzera | Active | 25/06/2019 – present |
| Officer | Fäh Maschinen- und Anlagenbau AG | 🇨🇭Svizzera | Active | 27/07/2017 – present |
| Officer | RÜESCH BAU AG in Liquidation | 🇨🇭Svizzera | Dissolved | 01/03/2017 – present |
27/06/2022
appointed
14/12/2020
appointed
01/03/2017
appointed