Bill retired as Senior Researcher with the Canada Mortgage and Housing Corporation (CMHC), where he worked on promoting the development of innovative building technologies, green building practices, and sustainable development with a focus on projects in the Canadian far north. Bill’s training is in architecture, construction, and planning, and has worked in the building industry for more than 25 years. Throughout his career, Bill has been a strong promoter of environmental and cultural sustainability, bringing these values to his work in design, construction, building science, and environmental planning projects. As a builder and consultant, Bill operated a business specializing in timber frame construction, passive solar and energy efficient buildings, and building research. As an architect, in addition to his work in Canada he has worked extensively on international development projects in Tibet, China, India, and Thailand. Bill has a bachelor degree in Environment and Resource Studies from the University of Waterloo, a masters degree in Architecture from the University of Calgary, and is a licensed carpenter. Bill is a research associate with the Arctic Institute of North America, and is a past member of the board of directors of the Canada Green Building Council (CaGBC) and the LEED for Homes Committee of the U.S. Green Building Council.