Gretchen Pfaehler, AIA
Director, Preservation Architect

Gretchen is a Preservation Architect with over three decades of experience in the preservation, restoration, and renovation of historic buildings and landscapes across the United States. She is knowledgeable on the issues of preservation project delivery methods, technical building documentation and assessments, building material treatments, preservation laws, review processes and regulations applied to historic preservation projects. She has extensive experience leading planning and design teams for government, cultural, and academic projects. Her experience with existing buildings provides a solid understanding of the requirements for determination of significant building elements and developing design solutions integrating new uses that maintain the historic character of the building. Gretchen serves on the Historic Preservation Review Board in Washington DC and is the Vice President of the Potomac River Boat Club Foundation. Outside of the office, Gretchen enjoys visiting museums in DC, sailing, knitting, and baking.

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