David is the CTO of Colorado Technology Consultants based in Colorado and is recognized as a Microsoft MVP. As a senior hands’ on technology and business consultant with over 20 years of industry experience, David enjoys developing applications on the Microsoft platforms, specializing in large system architecture and design. David focus is on helping clients migrate and build new applications on Microsoft technologies, as well as helping to mentor and train their staffs. David is a is a frequent speaker/trainer at user group, industry events and private company events around the world. Antarctica is the only continent David hasn't been on and he is accepting invitations. David has been on the author team of multiple .NET and Dynamics related books . He lives in Colorado with his wife. You can read his blogs at blog.davidyack.com.