Michael Feathers has been involved in the XP/Agile community since is inception. While designing biomedical instrumentation software in the late 1990s, he met several of the members of the Chrysler C3 team at a conference and was persuaded by them to try XP practices. Subsequently, he joined Object Mentor where he has spent most of his time transitioning teams to XP. Michael is also the author of ‘Working Effectively with Legacy Code.