Eran Stiller is an expert in Microsoft technologies, and is the Training CTO & Co-Founder of CodeValue. CodeValue is the home of software experts which builds software tools, foundations and products for the software industry. Eran has many years of experience developing C++/Win32 and .NET. He has deep knowledge of WF 4.0 & WCF 4.0, including Workflow Services and AppFabric, and gives lectures in this area. He is highly experienced in technologically leading, architecting and developing software frameworks of various abstraction levels, ranging from low-level applicative frameworks up to fully-fledged distributed system hosts.