Sarah Gray has been in the building science field for 25 years. She holds a Bachelor of Science degree in civil engineering from the University of Cincinnati and a Master of Science in historic preservation from the University of Pennsylvania. Her work is focussed on heritage building rehabilitation, existing building condition assessment and deep retrofits, building enclosure consulting for new construction, serving as the IBEC for the Pro-Demnity Technical Requirements, and providing Building Enclosure Commissioning services.