Michael Feathers, Member of the Technical Staff, Groupon

Michael Feathers is a Member of the Technical Staff at Groupon. Prior to
joining Groupon, Michael was the Chief Scientist of Obtiva, and a
Senior Consultant with Object Mentor International. Over the years,
Michael has spent a great deal of time helping teams after design over
time in code bases. Michael is also the author of the book Working
Effectively with Legacy Code (Prentice Hall, 2004).