Dave Isbitski is a principle technical evangelist with Microsoft, focused on helping developers write the next generation of apps for Windows, Windows Phone, and Windows Azure. In addition to being an official Windows 8 and Windows Phone trainer, he is also the US DPE Gaming Technology lead, having helped numerous games make their way into the Marketplace. Dave was a member of the Xbox Live Apps team that brought streaming media apps like NBC Syfy and MLB.tv to the Xbox. He has taught full-day courses on numerous Microsoft topics and is a regular presenter at national conferences like Visual Studio Live, ReMix, XAMLFest, Code Camps, and other community events. Dave can be found on Twitter at @TheDaveDev and his blog blogs.msdn.com/davedev.