Gretchen K Pfaehler

Credit: Joe Romeo

“Preservation is about understanding people’s connections to existing buildings and designing solutions that maintain viability and function in living, breathing communities. It is ensuring the past is read and becomes part of the present.”

Gretchen Pfaehler is a Senior Preservation Architect in BBB’s Washington DC office with more than 27 years of experience in the preservation, restoration, and renovation of historic buildings and sites for clients including the US Department of State, Architect of the Capitol, National Gallery of Art, Smithsonian Institution, US General Services Administration, National Park Service, and other private and institutional clients. An expert on the issues of preservation project delivery methods, Gretchen’s expertise includes technical building documentation and assessments, integration of sustainable solutions and building material treatments, preservation laws, and review processes and regulations applied to historic preservation projects. Gretchen has lectured and published extensively on historic preservation and sustainability. She is a board member and past President of the Association for Preservation Technology International, a board member and past chair of the DC Historic Preservation Review Board, and an active member of the American Institute for Conservation of Historic & Artistic Works, National Trust for Historic Preservation, and the American Association for State and Local History. She holds a Bachelor of Science in Architecture from the University of Wisconsin – Milwaukee and a Certificate of Architecture from the Ecole Spéciale d’Architecture in Paris, France. Gretchen joined BBB in 2015.