| Company | Timeline | Status | |
| Polish Social And Cultural Association Director • Retired Physicist | 19 Nov 2024←11 Months→Current | Active | |
| Polish Cultural Foundation Limited Director • Unreported | 5 Jan 2021←4 Years→Current | Active | |
| Ognisko Polskie (Polish Hearth) Limited Director • Physicist/programmer | 13 Dec 1993←19 Years→28 Jun 2013 | Active | |
