Our History

1920

Our History

2015
2015 - MSG Sphere at The Venetian

The firm is retained to design the MSG Sphere at the Venetian hotel and casino in Las Vegas, NV. The structure of the immersive experience performance venue includes a concrete seating bowl, steel-framed dome, and exterior geodesic sphere with cast steel nodes.

1975
1975 - Crystal Cathedral - revised

The firm is retained to design the Crystal Cathedral in Garden Grove, CA. The triodetic steel lattice, composed of relatively lightweight chord and web members, creates the soaring space envisioned by architect Philip Johnson. The building is completed in 1980.

1999
1999 - Bank of America Tower at One Bryant Park - photo by CookFox

The firm is retained to design the Bank of America Tower at One Bryant Park in New York City. The project, which employs a hybrid steel-first and concrete core, is completed in 2010.

2018

The firm is retained to design a new super tall office tower at 270 Park Avenue. The building is located over existing train tracks beneath Park Avenue.

1978

Tibor Szegezdy becomes a partner of the firm, now known as Severud-Perrone-Szegezdy-Sturm.

1930

Our History

2013
2013 - Museum of Modern Art Renovation and Expansion - revised

The firm is retained to design the renovation and expansion of the Museum of Modern Art in New York City. The project, which includes a dramatically hanging stairway, is the latest of several designed for the prestigious museum. It is completed in 2019.

1970
The American Museum of Natural History, in the Upper West Side, Manhattan, New York City

The firm is retained to design alterations to the American Museum of Natural History in New York City. It is the first of many projects designed for the world-famous museum.

1997
1997 - Reuters Building–3 Times Square

The firm is retained to design the Reuters Building–3 Times Square in New York City. The project is completed in 2001.

2014
2014 - New York University - 181 Mercer Street

The firm is retained to design the mixed-use 181 Mercer Street at New York University. The building replaces the former Jerome S. Coles Sports Center and includes dormitories, residences, athletic facilities, and performing arts spaces.

1940

Our History

2015
2015 - MSG Sphere at The Venetian

The firm is retained to design the MSG Sphere at the Venetian hotel and casino in Las Vegas, NV. The structure of the immersive experience performance venue includes a concrete seating bowl, steel-framed dome, and exterior geodesic sphere with cast steel nodes.

1975
1975 - Crystal Cathedral - revised

The firm is retained to design the Crystal Cathedral in Garden Grove, CA. The triodetic steel lattice, composed of relatively lightweight chord and web members, creates the soaring space envisioned by architect Philip Johnson. The building is completed in 1980.

1999
1999 - Bank of America Tower at One Bryant Park - photo by CookFox

The firm is retained to design the Bank of America Tower at One Bryant Park in New York City. The project, which employs a hybrid steel-first and concrete core, is completed in 2010.

2018

The firm is retained to design a new super tall office tower at 270 Park Avenue. The building is located over existing train tracks beneath Park Avenue.

1978

Tibor Szegezdy becomes a partner of the firm, now known as Severud-Perrone-Szegezdy-Sturm.

1950

Our History

1982
1982 - Solomon R. Guggenheim Museum Expansion

The firm is retained to design renovations and an addition to the Solomon R. Guggenheim Museum in New York City. The project is completed in 1992.

2005
2005 - Madison Square Garden V–The Transformation

The firm is retained to design extensive renovations and improvements to Madison Square Garden in New York City. The transformation is completed in 2013.

1960

Alfred Perrone, Werner Sturm, and Hannskarl Bandel become partners of the firm, now known as Severud-Perrone-Sturm-Bandel (1960).

1984

After the retirement of several partners, the firm is now known as Severud-Szegezdy.

2005
2005 - Moynihan Train Hall - photo by Lucas Blair Simpson & Aaron Fedor © Empire State Development-SOM-1

The firm is retained to design the redevelopment of the James A. Farley Building in New York City and transform it into the Moynihan Train Hall. The three-phase redevelopment is completed in 2021.

1961
MSG IV Under Construction - 1966

The firm is retained to design Madison Square Garden in New York City. The “World’s Most Famous Arena” also has the most innovative roof system of radial cables supported by a circular compression ring. The project is completed in 1968.

1988
Liberty_Science_Center_Jersey_City_October_2020_panorama_2

The firm is retained to design the Liberty Science Center in New Jersey’s Liberty State Park. The building, the structure of which includes cast in place concrete, precast concrete tees, structural steel, and an aluminum geodesic dome, is completed in 1993.

1960

Our History

2015
2015 - MSG Sphere at The Venetian

The firm is retained to design the MSG Sphere at the Venetian hotel and casino in Las Vegas, NV. The structure of the immersive experience performance venue includes a concrete seating bowl, steel-framed dome, and exterior geodesic sphere with cast steel nodes.

1975
1975 - Crystal Cathedral - revised

The firm is retained to design the Crystal Cathedral in Garden Grove, CA. The triodetic steel lattice, composed of relatively lightweight chord and web members, creates the soaring space envisioned by architect Philip Johnson. The building is completed in 1980.

1999
1999 - Bank of America Tower at One Bryant Park - photo by CookFox

The firm is retained to design the Bank of America Tower at One Bryant Park in New York City. The project, which employs a hybrid steel-first and concrete core, is completed in 2010.

2018

The firm is retained to design a new super tall office tower at 270 Park Avenue. The building is located over existing train tracks beneath Park Avenue.

1978

Tibor Szegezdy becomes a partner of the firm, now known as Severud-Perrone-Szegezdy-Sturm.

1970

Our History

2015
2015 - MSG Sphere at The Venetian

The firm is retained to design the MSG Sphere at the Venetian hotel and casino in Las Vegas, NV. The structure of the immersive experience performance venue includes a concrete seating bowl, steel-framed dome, and exterior geodesic sphere with cast steel nodes.

1975
1975 - Crystal Cathedral - revised

The firm is retained to design the Crystal Cathedral in Garden Grove, CA. The triodetic steel lattice, composed of relatively lightweight chord and web members, creates the soaring space envisioned by architect Philip Johnson. The building is completed in 1980.

1999
1999 - Bank of America Tower at One Bryant Park - photo by CookFox

The firm is retained to design the Bank of America Tower at One Bryant Park in New York City. The project, which employs a hybrid steel-first and concrete core, is completed in 2010.

2018

The firm is retained to design a new super tall office tower at 270 Park Avenue. The building is located over existing train tracks beneath Park Avenue.

1978

Tibor Szegezdy becomes a partner of the firm, now known as Severud-Perrone-Szegezdy-Sturm.

1980

Our History

2015
2015 - MSG Sphere at The Venetian

The firm is retained to design the MSG Sphere at the Venetian hotel and casino in Las Vegas, NV. The structure of the immersive experience performance venue includes a concrete seating bowl, steel-framed dome, and exterior geodesic sphere with cast steel nodes.

1975
1975 - Crystal Cathedral - revised

The firm is retained to design the Crystal Cathedral in Garden Grove, CA. The triodetic steel lattice, composed of relatively lightweight chord and web members, creates the soaring space envisioned by architect Philip Johnson. The building is completed in 1980.

1999
1999 - Bank of America Tower at One Bryant Park - photo by CookFox

The firm is retained to design the Bank of America Tower at One Bryant Park in New York City. The project, which employs a hybrid steel-first and concrete core, is completed in 2010.

2018

The firm is retained to design a new super tall office tower at 270 Park Avenue. The building is located over existing train tracks beneath Park Avenue.

1978

Tibor Szegezdy becomes a partner of the firm, now known as Severud-Perrone-Szegezdy-Sturm.

1990

Our History

2013
2013 - Museum of Modern Art Renovation and Expansion - revised

The firm is retained to design the renovation and expansion of the Museum of Modern Art in New York City. The project, which includes a dramatically hanging stairway, is the latest of several designed for the prestigious museum. It is completed in 2019.

1970
The American Museum of Natural History, in the Upper West Side, Manhattan, New York City

The firm is retained to design alterations to the American Museum of Natural History in New York City. It is the first of many projects designed for the world-famous museum.

1997
1997 - Reuters Building–3 Times Square

The firm is retained to design the Reuters Building–3 Times Square in New York City. The project is completed in 2001.

2014
2014 - New York University - 181 Mercer Street

The firm is retained to design the mixed-use 181 Mercer Street at New York University. The building replaces the former Jerome S. Coles Sports Center and includes dormitories, residences, athletic facilities, and performing arts spaces.

2000

Our History

2015
2015 - MSG Sphere at The Venetian

The firm is retained to design the MSG Sphere at the Venetian hotel and casino in Las Vegas, NV. The structure of the immersive experience performance venue includes a concrete seating bowl, steel-framed dome, and exterior geodesic sphere with cast steel nodes.

1975
1975 - Crystal Cathedral - revised

The firm is retained to design the Crystal Cathedral in Garden Grove, CA. The triodetic steel lattice, composed of relatively lightweight chord and web members, creates the soaring space envisioned by architect Philip Johnson. The building is completed in 1980.

1999
1999 - Bank of America Tower at One Bryant Park - photo by CookFox

The firm is retained to design the Bank of America Tower at One Bryant Park in New York City. The project, which employs a hybrid steel-first and concrete core, is completed in 2010.

2018

The firm is retained to design a new super tall office tower at 270 Park Avenue. The building is located over existing train tracks beneath Park Avenue.

1978

Tibor Szegezdy becomes a partner of the firm, now known as Severud-Perrone-Szegezdy-Sturm.

2010

Our History

2020
2020 - 3 Times Square Lobby Renovation

The firm is retained to design signage, renovations, and additional tenant amenities at 3 Times Square in New York City.

1978

Hannskarl Bandel is elected to the National Academy of Engineering.

2001

The firm participates in the recovery efforts at the World Trade Center after the attacks of 9/11. Principal Edward DePaola is president of the Structural Engineers Association of New York, which coordinates the effort with the NYC Department of Buildings.

2020

b. The firm is retained to design the renovations of the CFG Bank Arena in Baltimore, MD.

1981

The firm is retained to consult on reconstruction of the Hyatt Regency Hotel in Kansas City, MO after the collapse of two suspended walkways.

2002

Weiskopf & Pickworth becomes a part of Severud Associates

2020

Our History

1943

The firm is retained to design the nursing school at Bellevue Hospital in New York City. It is the first of many projects designed for this and other notable New York hospitals.

1960
1960 - Jefferson National Expansion Memorial - Gateway Arch (construction)

The firm is retained to design the Gateway Arch at the Jefferson National Expansion Memorial in St. Louis, MO. The monumental structure is completed in 1965.