Data - The Key to Business Success
Data is at the heart of modern business. It serves as the basis for making key decisions, analysing market trends and developing growth strategies. It enables organisations to better understand customer needs, measure the effectiveness of marketing efforts and optimise operational processes. Without access to reliable data, it would be difficult to respond to changing market conditions and make informed, strategic decisions. In a world where every second counts, data is not just a tool, it is a competitive advantage.
Hello
My name is Wojciech Zieliński, and I have been working in the IT for over 25 years. Since 2019, I have specialized exclusively in Business Intelligence.
I have worked with companies such as W.Kruk, Signify, Predica, Software One, Sii, and Puma, delivering projects in the areas of data analysis and management reporting.
I design and implement end-to-end BI solutions – from understanding business requirements, through data modeling and building the analytical layer, to reports that genuinely support decision-making. My focus is not only on technical correctness, but above all on ensuring that data is clear, actionable, and understandable for business users.
I help organizations turn data into concrete insights, and insights into measurable business value.
Articles
Tools I Use
Microsoft SQL
Power Bi
Tabular Editor
DAX Studio





