Dirk-Jan Schenk (1957) has more than 20 years of experience teaching SAP ERP, CRM and BI and is a lecturer for more than 35 years. He has a background in mathematics and business informatics. He is chairman of the special interest group Education from the Dutch SAP User group (VNSG) and write articles for the VNSG Magazine. At this moment he teaches Business Process Simulation with SAP ERP at the Amsterdam University of Applied Sciences and does the functional support for a lot of schools in the Netherlands.