| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Pferdereha Grüt AG | 🇨🇭Svizzera | Active | 15/08/2018 – present |
| Officer | Keller AG Ziegeleien | 🇨🇭Svizzera | Active | 01/02/2017 – present |
| Officer | Tonwerke Keller AG | 🇨🇭Svizzera | Active | 13/02/2017 – present |
| Officer | Keller Systeme AG | 🇨🇭Svizzera | Active | 01/02/2017 – present |
| Officer | Keller Properties AG | 🇨🇭Svizzera | Active | 01/02/2017 – present |
| Officer | Keller Holding AG | 🇨🇭Svizzera | Active | 27/01/2017 – present |
| Officer | Keller Prefadom AG | 🇨🇭Svizzera | Active | 30/04/2019 – present |
| Officer | Imbrex Immobilien AG | 🇨🇭Svizzera | Active | 23/02/2018 – present |
| Officer | Stahlton Bauteile AG | 🇨🇭Svizzera | Active | 30/04/2019 – present |
| Officer | Spann - Stahl AG | 🇨🇭Svizzera | Dissolved | 21/05/2019 – present |
| Officer | Stahlton AG | 🇨🇭Svizzera | Active | 30/04/2019 – present |
15/08/2018
appointed
16/07/2018
appointed
27/01/2017
appointed