Jason McLennan serves as the CEO of the Cascadia Green Building Council, the Pacific Northwest’s leading organization in the field of green building and sustainable development. Cascadia is a chapter of both the US Green Building Council and the Canadian Green Building Council. Jason is known as an international thought leader in the green architecture movement and has lectured on sustainability across the US and Canada. His work in the sustainable design field has been published in several journals, magazines conference proceedings and books. He is the author of three books; The Philosophy of Sustainable Design, The Dumb Architect’s Guide to Glazing Selection, and the Ecological Engineer. The Philosophy of Sustainable Design is currently used as a textbook in over 30 universities and is distributed widely throughout Europe and North America.

He is a former Principal at BNIM Architects, one of the founders of the green design movement in the United States, where he worked on many of the leading high performance projects in the country including LEED Platinum and Gold projects and zero energy projects. At BNIM he created the building science team known as Elements, which set new standards for energy and resource efficiency on many of its projects in various building types. Jason is also the founder and CEO of Ecotone Publishing, the only dedicated green building publisher in North America. Jason was recently named one of the top 40 under 40 most influential individuals in the design and construction field by Building Design and Construction magazine and green designer of the year by Pitch Magazine.