Stephen A. Hansen, Principal, Architectural History & Historic Preservation Policy
Stephen Hansen has over 33 years of experience in historic preservation and cultural
resources manage-ment. His professional career in historic preservation began in
1985 when he joined the staff of the National Park Service’s Cultural Resources
Division. In 2006, Stephen founded Preservation Matters, LLC (originally DC Historic
Mr. Hansen is an expert in both local and federal historic preservation matters and has
represented clients and organizations before the National Capital Planning
Commission, Commission of Fine Arts, DC City Council, Old Georgetown Board,
Mayor’s Agent for Historic Preservation, DC Historic Preservation Review Board, DC
Zoning Commission, and the Virginia Department of Historic Resources. Mr. Hansen
was been accepted as an expert in historic preservation before the Mayor’s Agent for
Historic Preservation (September 2017) and the Zoning Commission (January 2019).
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, Documentation, and Material Analysis
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.