Founded in Chicago in 1936, Skidmore, Owings & Merrill (SOM) is responsible for some of the worldās most celebrated buildings. Sears (now Willis) Tower. John Hancock Center. Lever House. One World Trade Center. Over the course of 80-plus years, the venerable firm has completed more than 10,000 projects in over 50 countries. āIn some ways, SOM is an old fart,ā says managing partner Ted J. Gottesdiener, FAIA, from his New York office. At the same time, he says, āWeāve always reinvented ourselves.ā

Cody Pickens
SOM partners from left to right: Anthony Vacchione, AIA; Keith Boswell, FAIA; Stephen Apking, FAIA; Scott Duncan, AIA; Mustafa K. Abadan, FAIA; T.J. Gottesdiener, FAIA; Laura Ettelman, AIA
Thatās evident in the way SOM ascended to the top of the Architect 50 this year, becoming the first firm to be ranked Number One twice. When it took top honors in 2010, SOM had recently completed Dubaiās Burj Khalifa, which remains (for now) the worldās tallest building. In 2016, the firmās portfolio didnāt include a single supertall, but rather featured a diversity of completed projects āthat reflects the breadth of the work we do,ā says Gottesdiener. The design judges highlighted SOMās ābeautifully detailed public workā with āsculptural surfaces and faƧades and structural forms.ā

Bruce Damonte
U.S. District Courthouse (see more photos here)
In downtown Los Angeles, the U.S. District Courthouse, a glass cube that āfloatsā on a stone pedestal, reflects how SOMās commitment to sustainability hasnāt undermined its pursuit of design excellence. Certified LEED Platinum and designed by San Franciscoābased senior consulting design partner Craig Hartman, FAIA, the project boasts a number of sustainable features, including a rooftop solar array and a pleated-glass faƧade with opaque east- and west-facing panels to minimize solar gain.

Cody Pickens
SOM partners from left to right: Roger Duffy, FAIA; Brian Lee, FAIA; Philip Enquist, FAIA; Mark Sarkisian; Leo Chow, AIA; Jonathan Stein, AIA
Design partner Gary Haney, FAIA, took a similar cubist approach for the Public Safety Answering Center II, located in the Bronx. Designed to operate as one of New Yorkās call centers during a natural disaster or large-scale emergency, the 450,000-square-foot blast-resistant cube was covered with an aluminum skin. āThe idea of āwellnessā was a driving force in the design because of the intensity of the labor that goes on inside the building,ā Haney says.

Albert Vecerka/Esto
Public Safety Answering Center II (see more photos here)
The firm also once again left its mark on the U.S. Air Force Academy, the National Historic Landmark District campus designed by legendary SOM partner Walter Netsch in the 1950s. The first new project on the campus in decades, the Center for Character & Leadership Development, a 105-foot-tall tilted tower, was the work of design partner Roger Duffy, FAIA, of the firmās New York office, and required a nuanced consideration of its historic context.

Cody Pickens
SOM partners from left to right: Gene Schnair, FAIA; Kenneth A. Lewis, AIA; Carrie Byles, FAIA; Brant E. Coletta, AIA; Xuan Fu, AIA; Gary Haney, FAIA; William F. Baker
Current projects, which helped contribute to SOMās strong financials, include phase one of Moynihan Train Hall, part of an expansion of New Yorkās Penn Station, and the nearby Manhattan West development, which will include two office towers and a residential building.

Archexist
Ningbo Bank of China (see more photos here)
Gottesdiener says a new generation of leaders is poised to take the reins at SOM in the coming years, as some longtime partners begin to retire. (The firm recently named Douglas Voigt, AIA, Kent Jackson, AIA, and Thomas Behr, AIA, as partners.) But, Gottesdiener says, the ethos will remain the same. āWeāre not about individuals; weāre about the work,ā he says. āWeāre not about egos; weāre about results.ā
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2017 Architect 50: Top 50 Firms in Sustainability
ZGF Architects repeats as Number One with a portfolio that combines high performance with design excellence.
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2017 Architect 50: Top 50 Firms in Design
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2017 Architect 50: Methodology
How we computed the rankings.
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2017 Architect 50: A Deeper Dive Into the Data
A snapshot of how firms answered key questions that contributed to this year's ranking.