| Company | Timeline | Status | |
| J&S Verwaltungs Ltd Director • Business Person | 20 Jun 2022←3 Years→Current | Active | |
| Hinnerk Stiftung Director • Director | 17 Dec 2018←3 Years→29 Mar 2022 | Active | |
| J&S Verwaltungs Ltd Director • Director | 22 Jul 2016←5 Years→19 Mar 2022 | Active | |
Alpor Europe Ltd Director • Consultant | 8 Dec 2015←2 Years 5 Months→15 May 2018 | Dissolved | |
