His book, Mobile Development with C#, published by O’Reilly, covers how to get started building iOS, Android and Windows Phone apps with C#. Greg is a Xamarin MVP, a host of the Gone Mobile podcast, an organizer of the NYC Mobile .NET Developers Group, a co-author of a monthly column for Visual Studio Magazine, and speaks regularly at many user groups and developer events. Outside of technology, Greg is obsessed with heavy metal, baseball, and craft beer, sometimes in combination, and is also an aspiring homebrewer.