Dr.-Ing. Holger Friedrich is co-founder and CEO of sumIT AG. sumIT is a Swiss based consulting firm, specialized on Data Ware-/Lakehousing, Analytics/BI, and Data Integration projects. Holger holds a Ph.D in computer science from the Karlsruhe Institute of Technology (KIT). He is a regular speaker at a variety of conferences in the Oracle community, such as Oracle Cloud World, DOAG, and ODTUG Kscope. Holger's area of expertise ranges from Data Integration and Ware-/Lakehousing over Business Intelligence to Data Mining and Machine Learning.