| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Allround Service Nussbaum | 🇨🇭Svizzera | Active | 03/12/2025 – present |
| Officer | Seitzmeir Management AG | 🇨🇭Svizzera | Active | 11/06/2018 – present |
| Officer | Züri See Immobilien Gschwind & Stoop AG | 🇨🇭Svizzera | Dissolved | 13/03/2018 – present |
| Officer | Seitzmeir Holding AG | 🇨🇭Svizzera | Active | 13/03/2018 – present |
| Officer | Seitzmeir International AG | 🇨🇭Svizzera | Active | 03/11/2017 – present |
| Officer | immoSTEG AG | 🇨🇭Svizzera | Active | 20/04/2017 – present |
| Officer | Seitzmeir Immobilien AG | 🇨🇭Svizzera | Active | 23/03/2017 – present |
| Officer | GARAGE 203 GmbH in Liquidation | 🇨🇭Svizzera | Dissolved | 22/11/2017 – present |
| Officer | Probis Grund und Boden AG | 🇨🇭Svizzera | Active | 04/02/2025 – present |
03/12/2025
appointed
11/06/2018
appointed
23/03/2017
appointed