David E. Neumann, FAIA


David Neumann founded the firm in Washington DC in 1986 and established the Middleburg, Virginia office three years later. Honored by national and local awards, David’s work has been featured in Traditional Home, Luxe Interiors + Design, House Beautiful, Southern Accents, Garden Design, Southern Living and the Washington Post. 

He is also past president of the Washington DC Chapter of the American Institute of Architects and Mid-Atlantic Chapter of the Institute of Classical Architecture & Art. In 2014, he was elected to the AIA College of Fellows.  

As a leading voice for advancing traditional design, David is a sought-after speaker on residential design and practice.  He has served as design jurist for the awards programs of Residential Architect magazine, The National Association of Home Builders & Period Home’s Palladio Award.

Andy Lewis, AIA


Partner, Andy Lewis began working with David in 1986. Andy is a versatile design architect capable of creating an authentically detailed recreation of a period house or an inventive interpretation of a traditional style. He is also an accomplished architectural illustrator whose drawings have appeared in numerous publications including The Washington Post, Time-Life Books, New Old House, Washingtonian, and Print magazines. Andy integrates his extensive graphic and illustration skills into the design process to convey the character of his designs to our clients. He completed his architectural studies and a one-year faculty honorarium at Virginia Tech. 

Andy is a member of the American Institute of Architects, the American Society of Architectural Illustrators, and the Piedmont Environmental Council.


Mark S. Buchanan, AIA


Partner, Mark Buchanan first joined the firm in 1987 shortly after its inception. A Bachelor of Science in Architecture from the University of Texas at Arlington and engineering studies at the University of Cincinnati provide Mark with critical knowledge of the art and science of architecture. He also worked with the American classicist Allan Greenberg in Washington DC and is a devoted student of classical architecture. His work has been published in Traditional Home and Chesapeake Home magazines and has been recognized by the Washington DC and Northern Virginia Chapter AIA awards programs. 

Mark is a member of the Institute of Classical Architecture & Art, the National Trust for Historic Preservation, and the American Institute of Architects.