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Maria Drywień (Jędrzejewska) has a diverse work experience in the field of data science and analytics. Maria started their career as an Intern in the Data Science Team at Dentsu Aegis Network in April 2016 and continued as a Junior Data Scientist until December 2016. In July 2017, they worked as a Junior Data Analyst at Imagine The Future for two months. In October 2017, Maria joined EY as an Analyst at Forensics & Integrity Services and later became a Senior Analyst in the same department from October 2018 to November 2018. From December 2018 to September 2019, they worked as a Data Scientist at Lingaro. Maria then joined 7N in October 2019 as a Data Scientist and later became a Senior Data Scientist in March 2022. Maria is currently working at 7N in this role. Additionally, Maria joined Appsilon in October 2022 as an R/Shiny Developer.

Maria Drywień (Jędrzejewska) completed their education at SGH Warsaw School of Economics. Maria obtained a Bachelor's degree in Quantitative Methods in Economics and Information Systems - Methods of Decision Analysis from 2013 to 2016. Maria then pursued a Master's degree in Advanced Analytics - Big Data from 2016 to 2018. Additionally, Maria obtained several certifications including Professional Scrum Master I from Scrum.org in June 2021, Descriptive Healthcare Analytics in R from LinkedIn in May 2019, Healthcare Analytics: Regression in R from LinkedIn in May 2019, CAE (Grade A - level C2) from the British Council, and FCE from the British Council. The information provided does not specify the specific months and years for the CAE and FCE certifications.