| Company | Timeline | Status | |
| NTC School De Luchtballon Director • Drilling Supervisor | 1 Jun 2023←2 Years 4 Months→Current | Active | |
| Michiel Visscher Limited Director • Director | 22 Aug 2022←2 Years 4 Months→7 Jan 2025 | Dissolved | |
| NTC School De Luchtballon Director • Drilling Supervisor | 17 Oct 2021←3 Months→3 Feb 2022 | Active | |
