| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Procurement Corp AG in Liquidation | 🇨🇭Svizzera | Dissolved | 31/01/2020 – present |
| Officer | VorwandPro AG in Liquidation | 🇨🇭Svizzera | Dissolved | 20/09/2019 – present |
| Officer | MoBau Schweiz AG | 🇨🇭Svizzera | Active | 23/07/2018 – present |
| Officer | BeFi Facility Services AG | 🇨🇭Svizzera | Active | 28/06/2018 – present |
| Officer | Wohlfahrtsfonds zugunsten der Mitarbeiter der Firma Briner AG Winterthur in Liquidation | 🇨🇭Svizzera | Dissolved | 12/04/2019 – present |
| Officer | Immo Winterthur AG | 🇨🇭Svizzera | Dissolved | 19/01/2018 – present |
| Officer | BPA Bauprodukte Partner AG | 🇨🇭Svizzera | Active | 17/01/2018 – present |
| Officer | Briner AG Winterthur | 🇨🇭Svizzera | Dissolved | 07/11/2018 – present |
| Officer | Briner Immobilien AG | 🇨🇭Svizzera | Active | 03/06/2019 – present |
| Officer | Haustechnik Partner AG | 🇨🇭Svizzera | Active | 19/01/2018 – present |
| Officer | Sanvortec AG | 🇨🇭Svizzera | Dissolved | 23/01/2018 – present |
| Officer | Taktform AG in Liquidation | 🇨🇭Svizzera | Liquidation | 12/07/2021 – present |
31/01/2020
appointed
20/09/2019
appointed
28/06/2018
appointed