The authors of »Authorizations in SAP Software: Design and Configuration«

Volker Lehnert

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Volker Lehnert has worked for SAP since 2008. In his role as a Product Owner Data Privacy he was responsible for ensuring data privacy compliance in SAP Business Suite and SAP S/4HANA. Since 2018 Volker holds the position of Senior Director Data Privacy at SAP. Furthermore, Volker Lehnert is co-author of the data privacy guideline of the German-speaking SAP User Group (DSAG) and of numerous books on Data Privacy and Authorizations at SAP PRESS.

Katharina Stelzner

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Katharina Stelzner (previously Bonitz) has worked as a technology consultant at SAP Deutschland AG since 2006, where her work focuses on authorization concepts in the CRM environment. She works on national and international projects and regularly holds authorization workshops. She received a degree in engineering from Leipzig University of Applied Sciences, Germany.
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