The authors of »Core Data Services for ABAP«
Renzo Colle is currently responsible for the SAP S/4HANA programming model in the central architecture group. He studied business mathematics at the University of Karlsruhe and has worked at SAP for more than 20 years in a wide variety of areas and roles. He started his career at SAP as a developer in strategic customer development, and then worked in SAP Extended Warehouse Management. In SAP Business ByDesign, he was responsible for logistics and the lead architect of the SAP ByDesign platform for cloud applications. As the inventor of the Business Object Processing Framework (BOPF), he has worked on model-driven software development and transactional applications for more than 15 years. Further information about Renzo can be found at https://de.linkedin.com/in/renzo-colle-30804ba1/de
Ralf Dentzer has been working for several years in the central architecture group of the SAP S/4HANA suite, with a focus on the use of Core Data Services in SAP S/4HANA. Ralf joined SAP more than 20 years ago, where he began by developing HR applications for SAP R/3, SAP ERP, and SAP Business ByDesign. After that, his tasks shifted to questions of overall architecture for new solutions. Ralf studied mathematics and received his doctorate from the University of Heidelberg. He is married and has two adult sons.
Jan 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 beginning of his career, he supported numerous customer projects in the automotive industry. Subsequently, he worked in the supply chain management (SCM) 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 SAP SuccessFactors Employee Central and native SAP HANA application development.