Lutz Baumbusch has been working as an SAP developer since 2000 and has been responsible for international SAP projects in various roles and areas. At All for One Group SE, he prepares current developer topics for internal and external training in the SAP S/4HANA development team. He studied at the Karlsruhe Institute of Technology.

Matthias Jäger is a freelance SAP developer of software products based on the ABAP platform. In addition to his work as a developer, he works as an architect and coach, designs cross-product, technical aspects, and leads training courses. Previously, he worked as a part of the solution development team at All for One Group SE. 

In 2004 he started his career as an SAP developer and as a developer of Java-based software products. Since then, he has worked as a developer, development manager, and trainer in different SAP implementation projects in the logistics sector. He has been a regular guest lecturer at DHBW Stuttgart, where he teaches ABAP programming and the use of system analysis methods. He studied business informatics in Heidenheim as part of a dual degree program.

Michael Lensch leads a team of SAP developers at All for One Group SE. As development manager, he is responsible for development in SAP S/4HANA implementation projects in Germany and abroad. Since 2014, he has also led a technical team that deals with development for SAP HANA and SAP S/4HANA. He studied computer science at Trier University of Applied Sciences.