Mariusz Popielarz

Mariusz Popielarz is a Polish politician and local government official serving as a member of the Sejm of the 10th term. An economist by education, he graduated from the Leon Koźmiński Academy of Entrepreneurship and Management and completed postgraduate studies at the University of Warsaw. Before entering national parliament, he held various local government roles, including serving as a city councilor in Ostrołęka and as the director of the regional marshal's office delegation in the same city. He assumed his parliamentary seat in June 2024, where he serves on committees related to energy, climate, agriculture, and infrastructure.