FThe Authors

Hermann Gahm is a principal consultant in the performance CoE of SAP Global IT Application Services. In this position, he is primarily responsible for performance analysis and optimization of the internal SAP ABAP systems powered by SAP HANA. Between 2006 and 2012, Hermann worked as an SAP technology consultant at SAP SI AG and as an SAP support consultant in the Technology & Performance division of the Active Global Support SAP department. In this position, his main responsibilities were helping major SAP customers solve performance problems in the context of ABAP developments and system, database, and ABAP program tuning. During his in-service studies of information management, he worked as an ABAP developer in one of the largest commercial enterprises in Germany and as an SAP system administrator for a market-leading industrial mortgage company between 1998 and 2006. During this time, his main responsibilities were performance analysis and optimization of mass data processing in SAP systems.

Thorsten Schneider is a product manager in the Product & Innovation HANA Platform department at SAP SE. In this position, he deals with application development using the new in-memory database technology. His main focus is the implementation of business applications based on ABAP and SAP HANA. Prior to working as a product manager, Thorsten was a consultant at SAP Deutschland AG & Co. KG for several years. During this time, he advised national and international organizations on product lifecycle management and project portfolio management matters.

Christiaan Swanepoel has worked for SAP SE since 2003. He is currently Product Owner in the area of ABAP development tools for Core Data Services (CDS) in Eclipse. Prior to that, he worked in the area of ABAP programming language development and was part of the ABAP for SAP HANA integration team that deals with the software development based on ABAP and SAP HANA. Another focus of his work is agile software development. This includes agile testing of CDS objects in ABAP.

Dr. Eric Westenberger has been working for SAP SE since 2005, where he is currently a product manager for SAP HANA and SAP NetWeaver. Prior to this, he was involved in the development of several components of the SAP NetWeaver basis technology as a developer and software architect for several years. He studied mathematics at the University of Kaiserslautern, Germany, where he was awarded his doctorate degree in the field of singularity theory.