Justin Langford is a Principal Consultant for Coeo, a Microsoft Gold Partner based in the UK. 
Justin works at Coeo providing consulting and support services for upgrade,
performance tuning, scalability and availability solutions for SQL


Server.  Justin is an MVP and has co-authored SQL Server five titles including
Wrox IT Pro: SQL Server 2012 Internals and Troubleshooting, as well as the same
title for SQL Server 2008, Wrox SQL Server 2005 Performance Tuning and two SQL
Server exam guides.