| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Aargauer Holz AG | 🇨🇭Svizzera | Dissolved | 12/09/2018 – present |
| Officer | Schäfer Zimmerei AG | 🇨🇭Svizzera | Active | 12/09/2018 – present |
| Officer | Schäfer Generalunternehmung AG | 🇨🇭Svizzera | Active | 12/09/2018 – present |
| Officer | Schäfer Holzbautechnik AG | 🇨🇭Svizzera | Active | 12/09/2018 – present |
| Officer | Schäfer Holzwelt AG | 🇨🇭Svizzera | Active | 12/09/2018 – present |
12/09/2018
appointed