| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Enginas AG in Liquidation | 🇨🇭Svizzera | Dissolved | 06/10/2017 – present |
| Officer | der ingeniör Haustechnikplaner AG in Liquidation | 🇨🇭Svizzera | Dissolved | 04/10/2017 – present |
| Officer | Schüpbach Engineering AG in Liquidation | 🇨🇭Svizzera | Liquidation | 04/10/2017 – present |
| Officer | PGMM Schweiz AG in Liquidation | 🇨🇭Svizzera | Dissolved | 25/08/2017 – present |
06/10/2017
appointed
04/10/2017
appointed
25/08/2017
appointed