| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | PP ImmoBau GmbH | 🇨🇭Svizzera | Active | 20/02/2026 – present |
| Officer | PP Generalbau GmbH | 🇨🇭Svizzera | Active | 12/01/2026 – present |
| Officer | PPA Holding AG | 🇨🇭Svizzera | Active | 19/02/2026 – present |
| Officer | PP Architektur AG | 🇨🇭Svizzera | Active | 27/05/2019 – present |
| Officer | A. Portmann Holzbau AG | 🇨🇭Svizzera | Active | 16/12/2020 – present |
20/02/2026
appointed
19/02/2026
appointed
03/01/2022
appointed