John Welch works at SentryOne, where he leads the development of a suite of data and BI products that make developing, testing, managing, and documenting data solutions faster and more efficient. John has been working with data, business intelligence, and data warehousing technologies since 2001. He was awarded as a Microsoft Most Valued Professional (MVP) 2009 - 2016 due to his commitment to sharing his knowledge with the IT community, and is an SSAS Maestro. John is an experienced speaker, having given presentations at Professional Association for SQL Server (PASS) conferences, the Microsoft Business Intelligence conference, Software Development West (SD West), Software Management Conference (ASM/SM), SQL Bits, and others. He has also contributed to multiple books on SQL Server and business intelligence.