In Vivo continues its series of interviewing device company executives. This time, we pick from a category that might be called "the young Turks": executives from the younger generation who are running the next-generation of major medical device companies, those that will rival if not replace the Medtronics and Guidants of the past generation. Having cut his teeth at device giant Medtronic, Mike Baker has spent the last 10 years running ArthroCare, one of the industry's next-generation leaders.