| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Schürmann Treuhand AG | 🇨🇭Svizzera | Active | 07/08/2019 – present |
| Officer | O. a R. Burger (Schweiz) AG in Liquidation | 🇨🇭Svizzera | Dissolved | 23/01/2019 – present |
| Officer | MT Metals and Minerals Trading AG | 🇨🇭Svizzera | Active | 29/11/2017 – present |
| Officer | Multi-Trade Enterprises AG | 🇨🇭Svizzera | Active | 29/11/2017 – present |
| Officer | BioEleSonic AG | 🇨🇭Svizzera | Active | 06/10/2016 – present |
| Officer | Arethia AG | 🇨🇭Svizzera | Active | 03/02/2016 – present |
| Officer | Asica Holding AG | 🇨🇭Svizzera | Dissolved | 28/03/2018 – present |
07/08/2019
appointed
23/01/2019
appointed
29/11/2017
appointed