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Antonina Kliuieva, PhD, is a highly skilled data scientist and applied scientist with extensive experience in various sectors, including consulting and astrophysics. Currently serving as Lead Data/Applied Scientist at 1648 Factory, Antonina focuses on assortment optimization projects utilizing advanced analytics and machine learning. Previous roles include Senior Data Scientist at Deloitte, where a semantic search engine was developed, and Applied Scientist/R Software Engineer at SoftServe, contributing to econometrics workbench and demand forecasting projects for retail and consumer goods. Antonina’s academic background includes a PhD in Space Plasma Physics from the Main Astronomical Observatory of NASU, complemented by master's and bachelor's degrees in physics from Taras Shevchenko National University of Kyiv. Proficient in numerous programming and data analysis tools, Antonina combines expertise in data science with a strong foundation in astrophysics.