Methodology specialist at Reaktor Innovations, Lasse entered the IT industry 7 years ago and has since held roles varying from development to project management and training to consulting, dipping his toes to sales every once in a while. He started promoting agile methods in Finland in 2002, ramped up the local Agile Seminars in 2005, is the author of Test Driven: TDD and Acceptance TDD for Java Developers (Manning Publications, 2007), and actively helps teams around Europe improve on their ability to develop products. He can be reached at lasse.koskela@ri.fi.