Matt Masson is a Principal Program Manager on the Power Query team. Matt has worked with multiple products across SQL Server, including SQL Server Integration Services (SSIS), Data Quality Services (DQS), Master Data Services (MDS), and the Data Management Gateway for the Power BI release. He has authored two books – SSIS Design Patterns (Apress) and SQL Server 2012 Integration Services (MS Press), and is a frequent presenter at SQL conferences. You can find his blog at http://www.mattmasson.com/.