Marek M.

Data Scientist | Python, SQL, Excel, Tableau & Machine Learning

I am a Data Scientist with strong expertise in Python, SQL, Excel, and Tableau, specializing in machine learning, predictive modelling, data exploration and visualization. I hold a Master’s degree in Virology and Bioinformatics, which has given me a solid foundation in working with complex datasets, extracting insights, and applying statistical and machine learning methods to solve real-world problems. My skills include: Data Cleaning & Exploration – transforming raw data into actionable insights Data Visualization & Reporting – building interactive dashboards and clear reports in Tableau and Excel Machine Learning & Deep Learning – developing models for classification, regression, and predictive analytics Database Management – writing efficient SQL queries and optimizing workflows I am passionate about helping clients make data-driven decisions by turning numbers into clear stories. Whether you need exploratory analysis, business dashboards, or advanced predictive models, I deliver results that are accurate, insightful, and easy to understand. Let’s work together to turn your data into value.