Sean earned his Bachelors Degree in Architecture at the University of Oregon, and a Masters in Historic Preservation at the University of Pennsylvania. Early in his career he worked as a Research Associate with Heschong Mahone Group performing building energy analysis and developing custom analysis tools, and doing background research and analysis for development of California Codes and Standards and other public policy initiatives. Prior to joining NBI in 2009, he worked for several years with an historic preservation consulting and development firm founded to rehabilitate historic residential properties with a special emphasis on energy efficiency upgrades that are effective and sensitive to the significant aspects of historic buildings. Sean’s work at NBI includes analysis and review of data relative to commercial building energy performance and prediction, code and energy program effectiveness and energy technologies. He also does research and review of commercial building design practices and energy and green technologies, including application, cost, savings and reliability, preparing analysis and graphics on commercial building energy use.