Sean Denniston

Associate Director

Sean focuses on building codes and policies related to energy and carbon, concentrating on existing and historic buildings. His work at NBI includes the technical development of energy-efficient strategies for commercial and multifamily buildings and a broad array of issues related to energy efficiency (including existing building codes, building performance standards, and electrification).

Sean brings specialized knowledge of existing buildings, including the intersection of historic building preservation and energy efficiency. He has a bachelor’s degree in architecture from the University of Oregon and a master’s degree in historic preservation from the University of Pennsylvania. Before joining NBI in 2009, Sean worked on historic preservation and rehabilitation projects incorporating energy-efficiency upgrades with a sensitivity to the buildings’ historic aspects.