| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Trans Tech Publications Ltd. | 🇨🇭Svizzera | Dissolved | 12/09/2019 – present |
| Officer | ukrestates.wohlbier.com GmbH | 🇨🇭Svizzera | Dissolved | 17/01/2019 – present |
| Officer | SciPress AG in Liquidation | 🇨🇭Svizzera | Dissolved | 17/01/2019 – present |
| Officer | wohlbier.com AG | 🇨🇭Svizzera | Dissolved | 26/06/2018 – present |
10/10/2022
appointed
01/06/2021
appointed
12/08/2020
appointed