| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | RESDAG Ressourcen und Deponien AG | 🇨🇭Svizzera | Active | 03/09/2020 – 22/08/2019 |
| Officer | DEGLO AG | 🇨🇭Svizzera | Active | 17/03/2020 – present |
| Officer | Bächtold Transport AG | 🇨🇭Svizzera | Dissolved | 21/02/2018 – present |
| Officer | ReTra Zuzwil AG | 🇨🇭Svizzera | Dissolved | 20/02/2018 – present |
| Officer | Zürcher Kies und Transport AG | 🇨🇭Svizzera | Active | 18/01/2019 – present |
| Officer | Altegg Deponie AG | 🇨🇭Svizzera | Active | 28/08/2019 – present |
| Officer | RCO Recycling Center Ostschweiz AG | 🇨🇭Svizzera | Active | 11/06/2019 – present |
03/09/2020
appointed
17/03/2020
appointed
18/01/2019
appointed