2021 – 2022 – Managing Director of Corportate and Legal Affairs KGHM Polska Miedź S.A.
2021 – Member of the Board of Directors KGHM International Ltd.
2020 – 2021 – attorney at law PKP CARGOTABOR sp. z o.o.
2020 – 2021 – Member of the Supervisory Board ENEA S.A.
2014 – 2020 – attorney at law Poczta Polska S.A.
2011 – obecnie – Mariusz Fistek Law Office
