Dean Leffingwell is a renowned software development methodologist, author, and software team coach who has spent his career helping software teams meet their goals. He is the former founder and CEO of Requisite, Inc., makers of RequisitePro, and a former vice president at Rational Software, where he was responsible for the commercialization of RUP. During the last five years, in his role as both an independent consultant and as advisor/methodologist to Rally Software, Mr. Leffingwell has applied his experience to the organizational challenge of implementing agile methods at scale with entrepreneurial teams as well as distributed, multinational corporations. These experiences form much of the basis for this book. Mr. Leffingwell is also the lead author of Managing Software Requirements, Second Edition: A Use Case Approach (Addison-Wesley, 2003).