Grzegorz Kostrzewa
About Grzegorz Kostrzewa
Grzegorz Kostrzewa is a Senior Demand Planning Analyst at Avon, specializing in demand forecasting and data visualization. He has a diverse background in finance and supply chain roles, having worked at notable companies such as PepsiCo and Bank Pekao.
Current Role at Avon
Grzegorz Kostrzewa has been employed at Avon as a Senior Demand Planning Analyst since 2021. In this role, he focuses on enhancing forecasting accuracy in demand planning through the application of machine learning techniques. His responsibilities include monitoring forecast error rates to ensure alignment with market demands, which is critical for effective supply chain management.
Previous Experience in Supply Chain and Finance
Prior to his current position, Grzegorz Kostrzewa worked at PepsiCo as a Supply Chain Finance Specialist from 2019 to 2021. His experience also includes a role at Hogg Robinson Polska Sp. z o.o, where he served as the Leader of the Data Management Team from 2016 to 2019. Additionally, he held various positions at Bank Pekao, including Inspector in the President's Office and Sales Specialist in a branch.
Educational Background
Grzegorz Kostrzewa studied at Szkoła Główna Handlowa w Warszawie, where he earned a Master's degree in Finance and Accounting from 2008 to 2013. He also attended SGH Warsaw School of Economics, achieving a Magister (Mgr) degree during the same period. His education has provided him with a solid foundation in financial principles and analytical skills.
Data Visualization and Technical Skills
Grzegorz specializes in data visualization, utilizing tools such as Tableau and Tableau Server. He engages in data preparation processes using SQL, particularly with Snowflake. His technical skills enable him to effectively analyze and present data, which supports decision-making in demand planning and supply chain operations.
Early Career at Bank Pekao
Grzegorz Kostrzewa began his career at Bank Pekao, where he undertook various roles. He started as a Trainee in the Transactional Banking Department for three months in 2011. He later served as an Inspector in the President's Office from 2014 to 2016 and as a Sales Specialist in a branch from 2013 to 2014. These early experiences contributed to his understanding of banking and finance.