| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Schürmann Treuhand AG | 🇨🇭Switzerland | Activa | 7/8/2019 – presente |
| Cargo | O. a R. Burger (Schweiz) AG in Liquidation | 🇨🇭Switzerland | Disuelta | 23/1/2019 – presente |
| Cargo | MT Metals and Minerals Trading AG | 🇨🇭Switzerland | Activa | 29/11/2017 – presente |
| Cargo | Multi-Trade Enterprises AG | 🇨🇭Switzerland | Activa | 29/11/2017 – presente |
| Cargo | BioEleSonic AG | 🇨🇭Switzerland | Activa | 6/10/2016 – presente |
| Cargo | Arethia AG | 🇨🇭Switzerland | Activa | 3/2/2016 – presente |
| Cargo | Asica Holding AG | 🇨🇭Switzerland | Disuelta | 28/3/2018 – presente |
7/8/2019
appointed
23/1/2019
appointed
29/11/2017
appointed