Dejan Sarka, MCT and Data Platform MVP, is an independent trainer and consultant focusing on the development of database and business intelligence applications. Besides working on projects, he spends about half of his time training and mentoring. He is the founder of the Slovenian SQL Server and .NET Users Group. He is the main author or co-author of 16 books on databases and SQL Server. He has also developed many courses and seminars for Microsoft, SolidQ, and Pluralsight.
Miloš Radivojević is a database consultant in Vienna, Austria. He is a Data Platform MVP and specializes in SQL Server for application developers and performance/query tuning. He works as a principal database consultant in bwin (GVC Holdings). He is a cofounder of PASS Austria and speaks regularly at international conferences.
William Durkin is the co-founder of Data Masterminds, a Microsoft Data Platform consultancy. William is a UK born Data Platform MVP, now living in Germany. William speaks at SQL Server focused events across the globe and is the founder and organizer of the small, but popular, SQLGrillen.