Tomasz Plominski is an experienced Data Scientist currently employed at Grammarly since September 2024. Prior to this, Tomasz held the position of Data Lead at smartpatient from December 2018 to October 2024, where leadership was provided to a team of Data Scientists, Analysts, and Engineers while overseeing the development of a data lake in AWS and generating product insights. Earlier roles include Lead Data Scientist and Data Scientist at Grupa Allegro, focusing on sales forecasting, product detection, and price optimization, as well as various consulting positions at Accenture, handling credit risk analytics for major banks. Tomasz's technical proficiency includes PL\SQL, Hive/Presto, Airflow, PySpark, Python, R, Tableau, and Qlikview. Educational qualifications include a PhD in Philosophy from the University of Warsaw and a Master's degree in Quantitative Methods in Economics and Information Systems from SGH Warsaw School of Economics.