Alexander Sambill is a senior SAP security consultant and certified SAP trainer at Xiting Germany. He is a security-minded professional with consulting and sales experience in many industries. During his years of work within SAP security, he specialized himself for SAP authorizations in SAP ERP and SAP S/4HANA with SAP Fiori. Alexander leads authorization migration and redesign projects for small and large enterprises, educates customers, and solves individual custom use cases. He is also a federally certified instructor (IHK) in commerce and industry. Alexander is a passionate writer and active blogger of technical and scientific articles, e-books, white papers, surveys, and more about SAP security and authorizations. He is also the content manager of publications for SAP authorizations at Xiting AG. Before starting work for Xiting, he received his master of business administration from the Technical University of Bergakademie Freiberg, Germany.