Anna Pietruszewska

Anna Pietruszewska is a Senior Data Scientist at Ringier Axel Springer Polska since February 2017, specializing in data exploration and modelling for large-scale online advertising, including campaign targeting and CTR prediction. Duties involve designing, implementing, and monitoring machine learning systems for ad recommendations, integrating these systems with the adserver, and conducting A/B testing. Previous roles at Ringier Axel Springer include Data Scientist and Big Data Analyst, focusing on user behavior analysis and optimization of advertising products using machine learning. Anna's earlier experience includes working as a Research and Analysis Specialist at Warsaw University of Technology and as a Data Analyst at Gemius and MKL Consulting. Anna holds a postgraduate degree in Data Science from Warsaw University of Technology and a Master's degree from the University of Warsaw.