Dariusz Łojek – Administrative and Financial Services

He graduated from the Faculty of Environmental Engineering of the Warsaw University of Technology.

He gained engineering experience leading first his own companies, then worked in the general construction department of Warbud S.A., Mostostal Warszawa S.A., JPContracting and JPBud. 

Currently in Leancon sp. z o.o. deals with administrative and financial matters.

A fan of skiing, motorboating and the Jizera Mountains.

Zbigniew Bryczek – Production Director

As a graduate of the Faculty of Civil Engineering of the Warsaw University of Technology he has been working in the construction industry since 18 years. 

Zbigniew started working as an engineer at Warbud S.A. and gained further experience in Karmar S.A. and APM Konstrukcje. In January 2021 he took the position of Production Director at LeanCon.

Passionate about the mountain hiking. Fascinated by the culture and heritage of the vikings.

Mateusz Marszałek – Site Manager

He graduated from the Faculty of Civil Engineering of the University of Technology. Since the beginning of his professional career he has been involved in the construction industry. He has gone through all levels of his professional career: from a construction tinkerer, a works and construction manager. He began his professional career at Włodarzewska S.A., and continued at APM Constructions Sp. z o.o. and Dekpol S.A.

Passionate about sports in particular football.

Michał Kossowski – Site Manager

A graduate of the Faculty of Construction at the Warsaw University of Life Sciences, who took his first steps in his professional career during his studies. He was mainly associated with residential segment, where he constructed residential buildings in Warsaw’s Wola district, prestigious apartments in Warsaw’s Mokotów district as well as single-family apartments in towns near Warsaw. He started his professional career as a foreman at NOVUM sp. z o.o. to currently work as Site Manager at LeanCon sp. z o.o.

In her spare time, he does jigsaw puzzles. He is interested in automotive and DIY.

Dawid Pietrzak – Site Manager

A graduate of the Faculty of Civil Engineering and Geodesy at the Warsaw University of Technology and the Faculty of Civil Engineering at the Warsaw University of Technology. He gained professional experience in Karmar S.A. and APM Konstrukcje Sp. z o.o.

He joined our team in April 2018

Passionate about swimming and mountain hiking.