Ondrej Gresak

Ondrej Gresak is a Freelance Business Intelligence Consultant with extensive experience in business intelligence, data warehousing, databases, and SQL. They have worked on various performance reporting and KPI projects in banking, leveraging their proficiency in Microsoft Azure BI solutions and tools such as Databricks and Power BI. Ondrej holds multiple certifications, including those in Azure Data Engineering and Teradata, and is currently pursuing a degree in Information Technology at the Prague University of Economics and Business. Their previous roles include senior consultant positions, where they contributed to diverse projects for prominent companies such as Komerční banka and Škoda Auto.