The authors of »Core Data Services for ABAP«
Renzo Colle is currently responsible for the programming model of SAP S/4HANA in the central architecture group. He studied business mathematics at the University of Karlsruhe and has worked at SAP for 20 years in a wide variety of areas and roles. He started his career at SAP as a developer in strategic customer development. He then worked in SAP Extended Warehouse Management. In SAP Business ByDesign, he was responsible for logistics and lead architect of the SAP Business ByDesign platform for cloud applications. As the inventor of the Business Object Processing Framework (BOPF), he works on model-driven software development and transactional applications for over 15 years. Further information about Mr. Colle 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 Dentzer joined SAP more than 20 years ago. He developed 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 Dentzer 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 suite's architecture team, where he focuses on the virtual data model and the use of core data services in ABAP applications. He has been working in various SAP development areas for over 15 years. At the beginning of his career, he supported numerous customer projects in the automotive industry. Subsequently, he worked in the SCM development of SAP Business ByDesign. Mr. Hrastnik'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. Mr. Hrastnik then worked on the SAP SuccessFactors Employee Central solution and native SAP HANA application development.
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