Dejan Sarka, MCT, and Data Platform MVP Alumni, is an independent trainer and consultant focusing on database and business intelligence application development. Besides projects, he spends about half of his 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 twenty books about databases and SQL Server. Dejan Sarka has also developed many courses and seminars for Radacad, Microsoft, SolidQ, and Pluralsight.