Tillmann Eitelberg is managing partner of oh22information services GmbH, a Microsoft Gold Partner for data analytics, data platform, application development and cloud platform. He and his company are primarily active in the areas of data integration and data quality, and with HEDDA.IO he also develops his own solutions in this area. In recent years, Tillmann has also become increasingly active in the area of the Azure Data Platform, from databases as IaaS to Data Lake and MDWH concepts and the area of Data Science. Tillmann gives lectures and workshops on these topics at various national and international conferences, at user group meetings and for Microsoft. He is vice chairman of PASS Deutschland e. V. and leads the regional group Rhineland. He is also regional mentor for PASS Global. Since 2013, Tillmann has regularly been awarded the Microsoft Data Platform MVP. Together with Frank Geisler and Ben Weissman he also runs the podcast "Please Talk Data To Me".