Itzik Ben-Gan is a mentor and cofounder of SolidQ. A Microsoft MVP for SQL Server since 1999, Ben-Gan teaches and consults internationally on T-SQL querying, programming, and query tuning. He is the author of Microsoft SQL Server T-SQL Fundamentals and coauthor of Inside Microsoft SQL Server: T-SQL Querying and Inside Microsoft SQL Server:T-SQL Programming. He has written numerous articles for SQL Server Magazine and MSDN, and speaks at industry events such as Microsoft TechEd, DevWeek, PASS, and SQL Server Connections.
Dejan Sarka is a mentor with SolidQ and focuses on development of database and business intelligence applications. He is a frequent speaker at international conferences such as TechEd, SqlDevCon, and PASS. He is the founder of the Slovenian SQL Server and .NET Users Group. As main author or coauthor, Dejan has written nine books about SQL Server. He has also developed three courses for SolidQ: Data Modeling Essentials, Data Quality and Master Data Management, and Data Mining.