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Robert Jeznach is a CRM and Business Intelligence Coordinator at MAKRO Cash and Carry Polska S.A. with experience in analytics, data engineering, reporting, and data mining. Robert has also worked as a BI/CRM Expert and Data Steward at the same company, where Robert provided analytical consulting and participated in international analytical projects for Metro Group. Additionally, Robert is an Advanced SQL Trainer at Cognity Szkolenia and has previous experience as a DB manager at MIT Sloan Management Review Polska. Robert holds various postgraduate degrees in data engineering, business analytics, and database design, as well as a Master of Engineering degree in Geodesy and Cartography.