| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Westermann Schweiz AG | 🇨🇭Switzerland | Activa | 10/12/2019 – presente |
| Cargo | Westermann Schulverlag Schweiz AG | 🇨🇭Switzerland | Disuelta | 2/9/2019 – presente |
| Cargo | KLV Verlag AG | 🇨🇭Switzerland | Disuelta | 4/9/2019 – presente |
25/5/2020
appointed
15/5/2020
appointed