Don Beckett has been active in software as a developer, manager, trainer, researcher, analyst, and consultant for 30 years. Since 1995, the focus of his work has been software measurement, analysis, and estimation; first with EDS (now HP) and, since 2004, with QSM. He has worked for many years with parametric models and tools to estimate and create forecasts to completion for software projects, and has created estimates for over 2,000 projects. In recent years, Don has worked extensively for the Department of Defense to evaluate requests for proposals and monitor the progress of large ERP implementations. More recently, he has studied the productivity and quality of software projects that follow the Agile methodology.