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.