Stephen A. Hansen, Principal, Architectural History & Historic Preservation Policy
Stephen has over 30 years of experience in historic preservation, cultural resource
management, and archaeology. Prior to forming Preservation Mattes (formerly DC
Historic Designs), he worked at the Cultural Resources Division of the National Park
Service. In the late 1980’s, he founded Hansen Associates, a firm that led the way in
the application of computer technology to historic preservation and archaeology. He is
the author of two books on Washington history and architecture, as well as wrote for
the monthly column What Once Was for the InTowner newspaper. He holds a B.A.
from Oberlin College, an M.A. from The George Washington University, and a
professional certificate in Historic Preservation from Goucher College. Stephen also
Preservation Subcommittee, and amongst many other professional memberships, is a
member of the Advisory Council for the National Trust's President Woodrow Wilson
Don Alexander Hawkins, Architect and Architectural Historian
Don Alexander Hawkins is a native Washingtonian, an architect, historian,
cartographer, and urban designer, and is active in both preservation and development.
He has served as Chairman of the Committee of 100 on the Federal City, Chairman
and CEO of the Parks and History Association, and as a member of the Hillsboro, VA,
Town Council. His writings include numerous reviews and articles in Washington
History Magazine and other publications, and testimony and position papers for local
and federal administrative, legislative, and review bodies. He co-curated the long term
exhibition, "Washington: Symbol and City" at the National Building Museum. Hawkins
lectures frequently on the L'Enfant Plan and subsequent planning in Washington. His
Sherri Marsh Johns, Historic Research and Documentation and Materials
Sherri has more than 25 years experience in the fields of architectural research, cultural
resource planning, historic preservation law compliance and historic restoration project
management. In addition, Ms. Johns teaches Documenting Historic Properties for
Goucher College and has more than 10 years experience as a collegiate educator.
She holds a B.S. from the University of Maryland and an M.A., University of Delaware
and is also Principal of Retrospect Cultural Resource Services.
Don A. Swofford FAIA, Architect, Architectural Historian
Don has over 40 years of experience in the fields of restoration, rehabilitation, and
traditional design. He is a member of the College of Fellows of the American Institute of
Architects (AIA) and serves as Chair of the AIA’s National Historic Resources
Committee's Steering Committee. He has numerous citations and commendations for
historic rehabilitation of National Historic Landmarks, which include the Loudoun
County Preservation Society Award, the James River Chapter Design Award, and the
National Trust for Historic Preservation Great Homes of America Award. Don holds a
Bachelor of Architecture from Texas A & M, and a Masters degree in Architectural
History from the University of Virginia.
Krista Kendall. Real Estate Development and Tax Credits, General Project Support
Krista has extensive knowledge in the areas of real estate development and finance
with a historic preservation overlay. Prior to joining DC Historic Designs, she was senior
loan officer with the National Trust for Historic Preservation Loan Fund, providing
technical assistance in the areas of business development, historic preservation,
finance, and real estate development. She holds a Bachelor degree in Geography with
a concentration in Urban Studies from Montclair State University, and a professional
certificate in Historic Preservation from Goucher College.