Dean Leffingwell, a thirty-year software industry veteran, has spent his career helping software teams achieve their goals. A renowned methodologist, author, coach, entrepreneur and executive, he founded Requisite, Inc., makers of RequisitePro, and served as its CEO. As Vice President of Rational Software (now part of IBM) he led the commercialization of the Rational Unified Process. As an independent consultant and as an advisor to Rally Software, he has helped entrepreneurial teams and large, distributed, multinational corporations implement Agile methods at scale. He is the author of Agile Software Requirements: Lean Requirements Practices for Teams, Programs, and the Enterprise (Addison-Wesley 2011), Scaling Software Agility: Best Practices for Large Enterprises (Addison-Wesley 2007) and is the lead author of the first and second editions of Managing Software Requirements (Addison Wesley), which has been translated into five languages.
