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About us

                Grzegorz Sidor
                President of the  
                Management Board

             He has graduated Rzeszow University of Technology (MSc. Eng.) and Leon Kozminski University in Warsaw (MBA). His career started as IT Systems Specialist (SAP) at EADS PZL Warszawa-Okecie (currently AIRBUS Military) in 2003. As the next step he has joined WSK-Rzeszow (currently Pratt&Whitney) starting as a SAP system consultant, achieving leadership positions with final level of Program Manager (implementation of PW800 engine components production in Poland). He continued to grow his career as a Planning & Logistics Director at PZL Mielec (Sikorsky) in 2011, during which he has conducted with his team, in-depth reorganization of the logistics and operations planning structures and processes.  In 2015 he was appointed Operations Director of the Sikorsky/Lockheed Martin factory in Mielec, overtaking direct responsibility of the: planning & logistics (internal/external) areas; investment and maintenance; aviation structures, S-70i Black Hawk helicopter and M28 fixed wing aircraft production as well as full supply chain management. In 2019 he has been appointed as CEO of the NiUW Glinik in Gorlice, Poland.

              Wojciech Tomkiewicz
                         V-ce President

              He is a graduate of Cracow University of Economics. His professional career began 20 years ago in Carrefour Polska as a bookkeeper. Then he worked for: BDO Polska - as Consultant, Kronospan Polska - as Internal Auditor, Masonite PL Polska -as Financial Director, Proxy. Then he served as Chief Financial Officer and Member of the Management Board in Mercator Medical S.A., which he prepared for the debut on the Warsaw Stock Exchange. While working for the aforementioned companies, he worked in several countries, including Russia, Ukraine, Thailand, Romania, Hungary, Turkey and Israel. He specializes in the development of financial strategies, control processes and financial restructuring of enterprises. His personal interests are the culture and customs of Southeast Asian countries and medicine - other than academic one. 


Since 2011,the owner of the brand Glinik is TDJ SA - Polish private investment company which from over 30 years have been operated in many sectors of the economy.

Leading,family-ownedinvestment firm with global reach in which throughout generations, together we build long-term value.


 Around TDJ we createa community of 
passionate people who share common values in order
to achieve success together through completing projects we can be proud of.



We belive in the common vision
Fe follow our set of values
We focus on the future
We belive that investment in education and development generates the highest value for society.


We make bold and well-considered decisions
We take responsibility for our and our team’s  decisions and actions
We require initiative of ourselves
We always act in the best interest of the firm


We trust each other and form a tight-knit team
We listen and learn from others by considering each voice in discussion
After making the decision, we act as one to achieve our goal
We celebrate the success of our people by promoting them in the organization


We are loyal towards one another and communicate openly and with 
We respect diversity of opinions honesty
We are open to change and innovations
We discuss the mistakes we make and learn from them


We always keep our word
We are reliable and honest
We are committed to fair play
We meet our commitments
More information you find on website: http://www.tdj.pl