David is a Senior Manager at Hitachi Consulting. He has worked with database development and administration for 12 years, most of them
with SQL Server. He specializes in developer/DBA coaching as well as scalable architecture and performance tuning on large-scale data warehouses and Business
Intelligence solutions. He is a frequent speaker at conferences, and an active member of the SQL Server community. You can find him at @dphansen on Twitter or
on his blog http://davidpeterhansen.com