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Sheehan Nagle Hartray Architects is a leading architectural firm with offices in Chicago and London. Our fifty-plus year history is rooted in Chicago’s strong architectural heritage. We create innovative mission critical, educational, cultural, and recreation environments to help institutions and businesses achieve their scholastic, civic, and commercial goals. Our firm is distinguished by the diversity of our portfolio, which has resulted in a firm with an unmatched balance of design, management and technical expertise. The variety of our practice provides for a creative and energetic studio environment that attracts and helps us attract and retain the best team of architects.

“Powered by design: the mission critical building typology reshaping the future.” Neil Sheehan featured in Great Lakes by Design Magazine
“Data center design, as a building typology, presents a distinctive vision of both human and machine, whose architectural language not only is inherently complex and technical, but also fundamentally simple and beautiful. It reveals, not unlike the electrification of the last century, a shift in how one lives and moves through the world, often traversing […]

SNHA Ranks #3 on BD+C’s Top 30 Date Center Architecture Firms for 2022
SNHA has been named to Building Design + Construction’s “Top 30 Data Center Architecture + AE Firms for 2022,” ranking #3 for the second year in a row. You can view the full list on BD+C’s website here.

Chheng Lim Featured in ARCHITECT Magazine
“These buildings can feel incognito, but when we start paying attention to site history and community history, it creates opportunities for design that isn’t so foreign to a landscape.” SNHA Associate Chheng Lim spoke with ARCHITECT Magazine about the rapidly emerging data center typology and the welcome challenge of bringing elevated, architecturally playful design to these fundamentally functional facilities. […]

SNHA Ranks #57 on BD+C’s Top 180 Architecture Firms for 2022
SNHA has been named to Building Design + Construction’s “Top architecture and construction firms in the United States for 2022: Giants 400 Report”, ranking #57 among the top 180 architecture firms. You can view the full list on BD+C’s website here.

Chheng Lim Leads Discussion on Data Center Design at A’22 Conference on Architecture
At this year’s AIA Conference on Architecture, Associate Chheng Lim led the conference’s first conversation on data center design with “Where the Internet Lives: Data Center Design for a Physically Connected Digital World.” As a leader on some of SNHA’s largest, most complex data center projects, Chheng provided an introduction to data center design, its impacts […]

2022 Mid-Year Staff Announcements
SNHA celebrates recent career milestones: Associate and Senior Promotions Brian Fox, Associate Principal Dominick Gallegos, Associate Hannah Prevedel Cannon, Associate Ken Allen, Associate Sonia Navas, Associate Don Brown, Senior Technical Director Tony Takamiya, Technical Director Ute Tegtmeyer, Technical Director Architect and Designer Promotions Level 6 Burke Welever Kaitlin McVehil Level 5 Zoe Cloonan Mark Cunningham […]

SNHA Named a Top 500 Design Firm by Engineering News-Record
SNHA has been included in this year’s Top 500 Design Firms list, ranking at #395 overall and #19 for the telecommunications sector. You can access the full list from Engineering News-Record here.

Chheng Lim Named One of Mission Critical Magazine’s Top 25 Women in Technology
Chheng Lim has been named one of Mission Critical Magazine’s Top 25 Women in Technology for 2022, an award that recognizes women across a variety of technology sectors for their contributions to the industry and the people who rely on it. “My current role as an architect specializing in data center design is what led […]

Don McKay featured on The Agati Video Podcast
“One of the essential functions of a library is to provide people access to resources they wouldn’t otherwise have access to.” Principal Don McKay recently spoke with Joe Agati of The Agati Video Podcast to discuss public libraries’ evolving role in society, designing with intention, and the importance of flexibility and balance within public spaces. Watch the full episode on […]

St. Charles Public Library featured in Great Lakes By Design Magazine
“One of the things that is always fun about these projects is seeing the way the community reacts to them after the remodeling is done. It was a fairly modest addition that we put on the building, but it feels like a brand-new library when you walk through the front door.” Principal Don McKay spoke […]