Grzegorz Bielak

Grzegorz Bielak is a Junior E-commerce Analyst at Marketing Investment Group S.A. since October 2021, specializing in sales reporting, forecasting, task automation, and error detection in e-commerce processes. Technical expertise includes Google Universal Analytics, Google Analytics 4, Google Tag Manager, Google Spreadsheet Scripts, R, Python, A/B testing, and Microsoft Office. Previously, Grzegorz served as an E-commerce Analyst intern at Aptiv, where responsibilities included object tagging on video data, data authentication from car sensors, and generating input data for algorithm verification. Additional experience includes a brief analyst role at KGHM Polska Miedź S.A. and a postman position at Deutsche Post. Grzegorz holds a Master of Science in Management and Engineering of Production with a specialization in Lean Manufacturing, as well as a Bachelor of Engineering in the same field from AGH University of Krakow.