Dejan Sarka, MCT and Data Platform MVP, is an independent trainer and consultant that focuses on the development of database and business intelligence applications. Besides projects, he spends about half of the time on training and mentoring. He is the founder of the Slovenian SQL Server and .NET Users Group. Dejan Sarka is the main author or co-author of eighteen books about databases and SQL Server. Dejan Sarka has also developed many courses and seminars for Radacad, Microsoft, SolidQ, and Pluralsight.