Since April 2020 Maciej has been a Management Board Member in charge of Carriers Market and Real Estate Sales. Earlier in 2014-2020 -  Management Board Member in charge of Finance. 

He has been with Orange Polska since 2003. He held several positions in finance, including Orange Polska Group Controller in 2006-2014. In 2010-2011 he was Member of the Management Board at Emitel and in 2011 – 2013  - Member of the Management Board in charge of Finance at PTK Centertel. 
He also sits on the supervisory boards of selected subsidiaries of Orange Polska.  

Prior to joining the Orange team, he worked for Arthur Andersen & Andersen Business Consulting. 

He is a graduate of Foreign Trade at the Economic University of Poznan and from the Dutch HAN University of Applied Sciences in Nijmegen.