Ken Pugh helps companies evolve into lean-agile organizations through training and coaching. His special interests are in collaborating on requirements, delivering business value, and using lean principles to deliver high quality quickly. Ken has trained, mentored, and testified on technology topics ranging from Object Oriented Design to Linux/Unix. He has written several books, including the 2006 Jolt Award winner Prefactoring and his latest: Lean-Agile Acceptance Test-Driven Development: Better Software Through Collaboration. Ken has helped clients from London to Boston to San Francisco to Sydney to Beijing to Hyderabad. He promotes Acceptance Test-Driven Development / Behavior Driven Development as key aspect in shifting left and increasing the flow of business value.