Stefan WalzStefan Walz is chief business process achitect for SAP S/4HANA financials at SAP. He has more than 30 years of SAP financials experience through his work in consulting and financials development. He is co-inventor of the Universal Journal-based management accounting and event-based revenue recognition. Today, Stefan is responsible for the process integration of customer projects, service management, and sales into SAP S/4HANA financial accounting. Read More Read Less