Mark Murphy is the founder of CommonsWare and the author of The Busy Coder’s Guide to Android Development.He is active in supporting the Android developer community, from answering questions on StackOverflow to publishing sample code and reusable components as open source. A three-time entrepreneur, his experience ranges from consulting on open source and collaborative development for the Fortune 500 to application development on just about anything smaller than a mainframe. He has been a software developer for nearly three decades, from the TRS-80 to the latest crop of mobile devices. A polished speaker, Mr. Murphy has delivered conference presentations and training sessions on a wide array of topics internationally.