HOK was founded by George Hellmuth, Gyo Obata and George Kassabaum in St. Louis, Missouri, in 1955. They all studied at the School of Architecture at Washington University in St. Louis. In 1983, HOK formed HOK Sport + Venue + Event, which is a leader in designing sport stadiums, arenas and convention centres. Now HOK has 26 offices on four continents, with about 2500 employees.

Important works

The Priory Chapel, St. Louis, Missouri, United States
Houston Galleria, Houston, Texas, United States
King Saud University, Riyadh, Saudi Arabia
National Air and Space Museum, Washington, D.C., United States
Cecil H. Green Library, Stanford University, Palo Alto, California, United States
Levi's Plaza, San Francisco, California, United States
King Khaled International Airport, Riyadh, Saudi Arabia
St. Louis Union Station Renovation and Redevelopment, St. Louis, Missouri, United States
Dunn Tire Park, Buffalo, New York, United States
801 Grand, Des Moines, Iowa, United States
Oriole Park at Camden Yards, Baltimore, Maryland, United States
Apple Inc. R&D Campus, Cupertino, California, United States
Independence Temple, Independence, Missouri, United States
Tokyo Telecom Centre, Tokyo, Japan
Tuntex Sky Tower, Kaohsiung, Taiwan
Foreign and Commonwealth Office Restoration, London, England
Northwestern Memorial Hospital Facility Replacement and Redevelopment, Chicago, Illinois, United States
Edificio Malecon Office Tower, Buenos Aires, Argentina
Passenger Terminal Amsterdam, Amsterdam, The Netherlands
United States Environmental Protection Agency Research Center, Research Triangle Park, North Carolina, United States
Darwin Centre at the Natural History Museum, London, England
Alfred A. Arraj U.S. Courthouse, Denver, Colorado, United States
Steven F. Udvar-Hazy Centre of the National Air and Space Museum, Chantilly, Virginia, United States
Cisco Systems Executive Briefing Centre Interior Design, San Jose, California, United States
Terminal A at Logan International Airport, Boston, Massachusetts, United States Lavasa Hill Station Master Plan and Design Guidelines, Moss Valley, Pune, India
Natural History Museum of the Adirondacks, Tupper Lake, New York, United States
SJ Berwin European Headquarters Interior Design, London, England, (Business Week/Architectural Record Award winner)
Dubai Marina, Dubai, United Arab Emirates
Harrison Square, Fort Wayne, Indiana, United States
Midfield Terminal at the Indianapolis International Airport, Indianapolis, Indiana, United States
Doha City Centre, Doha, Qatar
King Abdullah University of Science and Technology (KAUST), Rabigh, Saudi Arabia
Millenium Stadium, Cardiff, Wales

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