John Sharp is a principal technologist at Content Master, part of CM Group Ltd, a technical authoring and consulting company. An expert on developing applications with the Microsoft .NET Framework and interoperability issues, John has produced numerous tutorials, white papers, and presentations on distributed systems, Web services, and the C# language. He is the author of several popular books, including Microsoft Windows® Communication Foundation Step By Step and Microsoft Visual C# Step By Step.
Rob Miles has been teaching computer programming for more than 25 years. An expert on Visual C#® and a Microsoft® MVP for Device Application Development, Rob enjoys inspiring new and experienced programmers. As well as writing his own games, programs, and poetry, Rob has consulted on a wide range of commercial software projects.