Jan HrastnikJan Hrastnik is a member of the SAP S/4HANA suite's architecture team, where he focuses on the virtual data model and the use of core data services in ABAP applications. He has worked in various SAP development areas for more than 15 years. At the beinning of his career, he supported numerous customer projects in the automotive industry. Subsequently, he worked in the supply chain management development of SAP Business ByDesign. Jan's work initially focused on developing the master data required for the production processes, before he took on overarching expert tasks in central architecture topics. He then worked on the SAP SuccessFactors Employee Central solution and native SAP HANA application development. Read More Read Less