You don't learn to walk by following rules. You learn by doing, and by falling over.


My name is Mateusz Komendolowicz. I am a business intelligence consultant based in Warsaw, Poland.


I specialise in SQL, ETL, DWH solutions. My weapons of choice are SQL Server, ODI, OBIEE, Talend, SSIS, SSRS, SAP BO.


I have a strong passion for big data and machine learning. Currently I am teaching myself Apache Cassandra.


In my free time, I am an amateur triathlete & runner.

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