Derek Comingore is an independent consultant, trainer, and speaker specializing in SQL Server and .NET technologies. He has recently strarted two ventures, an online Microsoft community for colleagues to learn from one another, located at www.RedmondSociety.com, and a second for SQL Server consulting at www.SQLServerDVAs.com. Derek holds the MCAD/MCDBA Microsoft certifications, the Carnegie Mellon Personal Software Process (PSP) credential, and an AAS/BS in Computer Information Systems from University of North Dakota. Derek's blog is located at hhtp://RedmondSociety.com/blogs/Derek.

Douglas Hinson has worked as an independent software and database consultant in the logistics and financial industries, with an extensive SQL Server background. He has coauthored several Wrox books, including Professional SQL Server 2005 Integration Services.