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Roger Sitter is an experienced professional in data management and business intelligence, currently serving as a Senior BI Manager at CHECK24 Vergleichsportal since July 2022. Prior to this role, Roger held various positions including Teamleiter Datenmanagement at Sparda-Bank München eG, Senior Data Scientist at Onlineprinters, and Senior Consultant at extend.u. Roger's extensive tenure at Sparda-Consult spanned over 17 years, where responsibilities included roles as Senior Consultant, Business Analyst, and Statistician. Educationally, Roger Sitter holds a Master’s degree in Big Data and Business Analytics from SRH Hochschule Heidelberg, a Diploma in Social Science Data Analysis from the University of Essex, and a Diplom in Sociology from Humboldt-Universität zu Berlin.