Michał Krawczyk Michal Krawczyk is a freelance SAP integration consultant with int4. He has been an SAP Mentor since 2007 and has been recognized for his SAP leadership included winning the top contributor/topic leader award from SDN (SAP Developer Network portal) in SAP PO/PI eight times. Michal is the author of “Mastering idoc business scenarios with SAP XI”, “Mastering idoc business scenarios with SAP PI” (second edition) and “The Essentials on SAP NetWeaver Process Integration” (A SAP Mentor 2010 Series). He is a regular contributor to the SAP Professional Journal, SAP CRM, SCM, Solution Manager, HR, SCM online expert magazines. He is recognized as one of the leading SAP integration experts in the world and has written more than 140 articles and blogs on SDN (sdn.sap.com), in addition to regularly speaking at SAP events (SAP Techeds) on SAP PO/PI and SAP AIF. Michal has consulted with clients in the food/beverage, consumer products, high tech and commodities industries on implementing SAP integration with SAP PI/PO, IDOC, ALE, CRM middleware technologies. He holds four SAP certifications including Development Consultant SAP—Exchange Infrastructure 3.0 Developer, SAP Certified Application Associate CRM Foundation with mySAP CRM 2005, mySAP SRM—Procurement Certified, and Development Consultant SAP NetWeaver—ABAP Workbench 2003