Don Box is a distinguished engineer currently working at Microsoft. Along with Bob Atkinson, Mohsen Al-Ghosein, and Dave Winer, Don was one of the original four designers of SOAP, a basic messaging layer for web services. He currently works on Brad Lovering's team working on model-driven runtime and tool support at Microsoft. Prior to that, Don was an architect on Windows Communication Foundation (formerly known as Indigo) and related technologies. Don Box is currently working on the development team of Oslo (Microsoft).