Matthew Chalifoux, FAIA

Historic Preservation & Design

Matthew has more than 35 years of professional experience, including 20 years of specialization in the field of historic preservation. His portfolio focuses on the challenges in managing change in public architecture.

All of Matthew ’s projects involve the sensitive insertion of modern systems, providing modern technology and environmental control while maintaining the historic integrity of the building and site. He has deep experience partnering with design architects to set the philosophy and concept approach to historic campuses through sensitive additions and new, stand-alone facilities. A number of his projects have received preservation awards.

Matthew has taught at the University of Maryland Historic Preservation Program and shares his expertise through presentations for the Association for Preservation Technology and the Traditional Building Conference. His projects include the US Supreme Court Building, the Birch Bayh Federal Office Building, and the United Nations Headquarters.


EYP Historic Preservation & Design Expert Matthew Chalifoux, FAIA, shares his extensive preservation expertise in The Military Engineer as he explores the challenges and partnership opportunities associated with applying design-build to complex and historically-significant preservation projects.

Considerable functional shortcomings made this design icon the target of much venom for over fifty years. Our modernization brought the technical requirements of laboratories into alignment with Kahn’s plan and spatial design, while vastly improving building functionality and energy performance. In this article, the designer discusses strategies and tactics for invisibly modernizing an iconic but challenging structure.

Read the article.

Representative Projects

Birch Bayh Courtroom

Birch Bayh Federal Building & US Courthouse

General Services Administration

Judicial & Workplace

Birch Bayh is a model citizen, serving its city in ways its original designers never could have imagined.

Naval Academy Chapel

Brigade of Midshipmen Chapel

US Navy

Defense & Security

The restored facility is the heart of a National Historic Landmark District.

Exterior detail shot of Federal Hall and George Washington statue

Federal Hall National Memorial

US National Park Service

arts & culture

Proactive preservation helps ensure the continued stability of this Wall Street icon.

view of Historic Courtroom

Grant Hall

US Army

Defense & Security

A modern workplace shares space with a reconstructed historic courtroom.

Modernized interior of the Richards Labs

Richards Medical Research Laboratories

University of Pennsylvania Perelman School of Medicine


Contemporary interventions guided by careful analysis of the original design unlock the potential of an outdated facility.

Watch Box exterior with historic cannons

Historic Watch Box

NAVFAC Washington

arts & culture

The guard house, where Abraham Lincoln made the last official visit of his presidency, has been restored and returned to its original site.

Roof terrace

Theodore Levin US Courthouse

General Services Administration

Judicial & Workplace

Revitalizing a downtown landmark sustainably advances urban renewal.