Douglas Muir is a principal consultant with the Software Productivity Centre, Inc. (SPC), in Vancouver, British Columbia. He has almost 20 years’ professional experience as a software engineer and project manager. Douglas has extensive experience with diverse, fast-paced environments facing rapid change; product development in a small company setting developing knowledge management product solutions; program management on large-scale multi-country telecommunications projects; and project management in software consulting organizations in Canada and the U.K. dealing with government, military, and commercial enterprises. At SPC, Douglas is a member of the consulting team, focusing on delivering pragmatic productivity improvements for clients. In addition, he leads public and corporate training in software estimation techniques, and application of SPC’s Estimate Professional product. Douglas is a member of ACM, PMI, and BCS (British Computer Society). He has a PMP from PMI, and is a professional engineer in the U.K. (C.Eng.) and EC (Eur. Ing.) from FEANI. Douglas has a B.Sc. (Honours) from Glasgow University, Scotland.