Dr Kevin Rutherford is a senior agile project leader, coach and developer with over 25 years' experience in hands-on software delivery. He is a Chartered Engineer and a Certified ScrumMaster, has been Managing Director of a successful consulting business and architect of several million-pound enterprise solutions; and in recent years he has coached numerous software teams to more than double their speed and quality of delivery. He is one of the leaders of the agile community in the UK, and founder of the AgileNorth group. Kevin is also author of the forthcoming book Refactoring in Ruby.