David Yack is a Microsoft .NET MVP and CTO of Colorado Technology Consultants, a Microsoft Gold Certified Partner based in Colorado. As a senior hands’ on technology and business consultant with over 20 years of industry experience, David enjoys developing applications for both the Windows and UNIX platforms, specializing in large system architecture and design. 
 

David embraced .NET during the final beta days and has been helping clients migrate and build new applications on the technology, as well as helping to mentor and train their staffs. David is a frequent speaker at user group and industry events and is the leader of the South Colorado .NET User Group.

In addition to frequent speaking engagements on .NET 2.0, David is co-author on Wrox’s Professional ADO.NET v2 and also ASP.NET MVP Hacks. David lives in Colorado Springs with his wife and two kids.