Doctor of Technical Sciences, Member of the Committee on Transport of the Polish Academy of Sciences. He defended his doctoral dissertation at the Poznań University of Technology in the discipline of transport. He graduated from the Warsaw University of Technology where he was awarded the title of Master of Civil Engineering. He completed a post-graduate course “MBA for Engineers” at the Koźmiński University. He started his career at the Development Planning Department of the City of Warsaw, after which he expanded his knowledge and experience at the Warsaw Province Governor’s Office, Municipal Roads Authority and in Budimex S.A. He was Deputy Mayor of Warsaw between 1994 and 1999. He has been working at Metro Warszawskie since 2002, first as Deputy Director, and further as Management Board Member at Metro Warszawskie Sp. z o.o. As Management Board Member, he was responsible for Metro extension and operations. He has served as the President of the Management Board since January 2006. He is Assistant Professor at the Faculty of Civil Engineering of the Warsaw University of Technology. He conducts teaching and research activities at the Department of Geotechnics, Bridges and Underground Structures. He took part in numerous specialised professional training courses in construction and environmental protection from the perspective of European Union laws, in public procurement and management of investment processes. For three terms, between 2013-2019, he represented Poland at the International Association of Public Transport (UITP) as Policy Board Member.