Roger has 30 years of experience in various aspects of the computer industry, including jobs at Unisys, Infospan, Fourth Shift, and the last seven years as a program manager at Microsoft. His projects at Microsoft include SQLXML, the SOAP Toolkit, the SQL Server Service Broker, and SQL Server Express. His interest in the Service Broker was sparked by a messaging-based manufacturing system he worked on in a previous life. He also wrote The Rational Guide to SQL Server 2005 Service Broker Beta Preview (Rational Press, 2005).