| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | HE Hector Egger Bauunternehmung AG | 🇨🇭Svizzera | Dissolved | 27/12/2018 – present |
| Officer | BN Bau-Net Service AG | 🇨🇭Svizzera | Dissolved | 17/05/2018 – present |
| Officer | A. Kamber AG | 🇨🇭Svizzera | Dissolved | 17/05/2018 – present |
| Officer | Merz Hoch- und Tiefbau AG | 🇨🇭Svizzera | Dissolved | 17/05/2018 – present |
| Officer | Merz AG Gipserunternehmung | 🇨🇭Svizzera | Dissolved | 17/05/2018 – present |
27/12/2018
appointed
17/05/2018
appointed