| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Belreba AG | 🇨🇭Svizzera | Active | 18/10/2019 – present |
| Officer | Macadam AG | 🇨🇭Svizzera | Active | 18/10/2019 – present |
| Officer | Borer Chemie AG | 🇨🇭Svizzera | Active | 17/06/2019 – present |
| Officer | Ad. Stebler-Gyr AG | 🇨🇭Svizzera | Active | 28/04/2016 – present |
| Officer | Wirz Immobilien und Beteiligungen AG | 🇨🇭Svizzera | Active | 28/04/2016 – present |
| Officer | Rudolf Wirz Strassen- und Tiefbau AG | 🇨🇭Svizzera | Active | 28/04/2016 – present |
18/10/2019
appointed
17/06/2019
appointed
28/04/2016
appointed