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Greg Slamowitz

Founder & CEO

Greg is a proven entrepreneur and business leader and has extensive experience driving the design and build processes in the quality residential space. Greg is the founder and CEO of DesignedBuilt LLC and its wholly owned subsidiary DesignedBuilt Europe Sp. z o.o.  DesignedBuilt Europe operates a modern production hall in Poland.

Greg lives in Montana and regularly travels to Poland.


Please visit Greg’s website


Jacek Kuropatwinski

Co-Founder & CEO of DesignedBuilt Europe Sp. z o.o.

Jacek is an entrepreneur with strong record of successes and failures that gives him the strength to overcome any obstacles and adversities.

Prior to co-founding DesignedBuilt Jacek spent almost two decades in real-estate development and construction business, including the last seven years in the high-end residential market in NYC.

After spending years working along side on-site construction workers, Jacek has identified off-site construction as a way not only to improve efficiency and quality, but importantly, as a way to improve life quality of construction workers.

Jacek believes that ethics and social responsibility are very important in life and business.  As co-founder of a school and supporter of educational projects for kids and youth, Jacek is happy giving back what he was so lucky to receive.

In our production facility in Poland Jacek is dedicated to implement best available technology in home design and fabrication with full respect to environment and sustainable development.

Jacek's goal is to create the best place to work in entire construction industry.

Jacek lives in Gdansk Poland and regularly travels to the United States.


Wojciech Kłosowski

BIM & Project Manager

Wojciech is our in-house architect, project manager and Building Information Modeling (BIM) expert. 

He has been involved in many architectural projects around the globe and is a member of Polish Chamber of Architects. Many of his designs were made in cooperation with international teams.  Prior to joining DesignedBuilt Europe, Wojciech worked on designing the Hard Rock Cafe's in Dubai, St. Petersburg, Malaga, Malta, New York, and Den Haag and numerous retail stores in Poland, Russia, Ukraine, Romania, and Kazakhstan.

Wojciech is a BIM Tutor - he teaches designers who are interested in using BIM to allow them to improve their designs, coordinate between various building disciplines, and implement more precision to their projects.

At DesignedBuilt Europe, Wojciech is dedicated to implement BIM software based design, fabrication, logistics, maintenance and project management coordination tools to support process excellence.

Wojciech lives in Gdańsk, Poland

Design, Architecture and Engineering Team

Fabrication Team