| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | HAGMANIT Dachabdichtungen AG | 🇨🇭Svizzera | Active | 01/11/2019 – present |
| Officer | Merz Logistik AG | 🇨🇭Svizzera | Dissolved | 04/02/2019 – present |
| Officer | Merz Infrastruktur AG | 🇨🇭Svizzera | Active | 04/02/2019 – present |
| Officer | Merz Erdbau AG | 🇨🇭Svizzera | Active | 04/02/2019 – present |
| Officer | Merz Baustoff AG | 🇨🇭Svizzera | Active | 04/02/2019 – present |
| Officer | Merz Gruppe Holding AG | 🇨🇭Svizzera | Active | 04/02/2019 – present |
01/11/2019
appointed