John DeVight is currently a Senior Principal Software Engineer with ManTech MCTS. He has been developing software since 1995; building client server applications, network management and monitoring systems, web applications, mobile applications, and Windows App Store applications. John is currently leading an effort to modernize a suite of enterprise systems for a government customer. John has a passion for exploring technologies and sharing what he has learned through his website "ASP.NET Wiki" at http://www.aspnetwiki.com and speaking engagements.