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Lidija Haller is a seasoned Business Intelligence professional with extensive experience in data analysis, mentoring, and business intelligence development. Currently serving as a Business Intelligence Analyst at sonnen GmbH since September 2022, Lidija also contributes as a Data Analytics Mentor and Tableau Instructor at Masterschool, and as a Business Intelligence Developer focusing on Qlik at maptransfer. Previous roles include Senior BI Analyst and Data Literacy Program Lead at HelloFresh, where Lidija established a data literacy initiative and led a Tableau community. Educational credentials include a Master's Degree in Data Science from VILNIUS TECH and a Bachelor's Degree in Business Information Systems from the same institution, along with several exchange programs focused on data and knowledge engineering.