| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | M & G Rohstoff AG | 🇨🇭Svizzera | Active | 13/06/2019 – present |
| Officer | Soreag Gettnau AG | 🇨🇭Svizzera | Dissolved | 24/09/2018 – present |
| Officer | F + M Kies AG | 🇨🇭Svizzera | Active | 24/09/2018 – present |
| Officer | Kurt Marti Transporte AG | 🇨🇭Svizzera | Active | 07/09/2018 – present |
| Officer | Makies AG | 🇨🇭Svizzera | Active | 13/08/2018 – present |
| Officer | Mazim Holding AG | 🇨🇭Svizzera | Active | 13/08/2018 – present |
| Officer | Kieshandels-AG Zell | 🇨🇭Svizzera | Active | 13/08/2018 – present |
| Officer | MAKIES Holding AG | 🇨🇭Svizzera | Active | 04/07/2018 – present |
13/06/2019
appointed
24/09/2018
appointed
04/07/2018
appointed