|Industry||Architecture, Engineering, & Urban Planning|
(Chairman and CEO) Carl Galioto
As of 2018, HOK is the largest U.S.-based architecture-engineering firm and the fourth-largest interior design firm. The firm maintains more than 1,700 professional staff across a global network of 24 offices and is active in all major architectural specialties. Its senior leaders are located in several different locations across the world.
HOK was established in St. Louis, Missouri, in 1955. The firm's name is derived from the surnames of its three founding partners: George Hellmuth, Gyo Obata and George Kassabaum, all graduates of the School of Architecture at Washington University in St. Louis. The design firm started with 26 employees and its three founders.
The practice's first building designs were schools in St. Louis suburbs, and St. Thomas Aquinas High School in Florissant was the first private/parochial school designed by the firm. Another prominent school they designed was the Saint Louis Priory School. By the mid-1960s, the firm was winning commissions across the United States and began to open additional offices, starting with San Francisco in 1966 for the design of a library at Stanford University and Dallas in 1968 for the master planning and design of Dallas-Fort Worth International Airport. Also in 1968, HOK launched its interior design practice. HOK also expanded into Washington, DC, after winning the commission to design the Smithsonian National Air and Space Museum. In 1973, HOK established a presence in New York by acquiring Kahn & Jacobs, designers of many New York City skyscrapers. By the 1970s, the firm was operating internationally and in 1975 the firm was named as architect of the $3.5 billion King Saud University in Riyadh, at the time the single largest building project in the world. In 1979, George Kassabaum was elected into the National Academy of Design as an Associate Academician.
In 1983, HOK formed HOK Sport Venue Event, which became a leader in designing sport stadiums, arenas and convention centers. In January 2009, the Board of HOK Group, Inc. and managers of HOK Sports Facilities, LLC transferred ownership of HOK Sport to leaders of that practice. The company became an independent firm, and rebranded itself as Populous.
HOK's first office outside the United States opened in Hong Kong in 1984. In 1987, the firm opened a London office and then, in 1995, expanded this London practice by merging with renowned UK architectural practice Cecil Denny Highton. In November 1994, HOK acquired CRSS Architects, Inc. based in Houston, Texas, adding offices in Houston and Atlanta. HOK established its first offices in Canada (Toronto and Ottawa) in 1997 with the acquisition of Urbana Architects.
In 2004, George Hellmuth's nephew, William Hellmuth, was named president of the firm.
In 2013, HOK acquired the New York and Shanghai offices of hospitality design firm BBG-BBGM, creating one of the largest interior design firms. BBG-BBGM's office in Washington, D.C. continues to operate as BBGM.
On January 13, 2015, HOK announced that it had completed its acquisition of 360 Architecture, a 200-person, Kansas City-based firm specializing in the design of stadiums, ballparks, arenas, recreation and wellness centers, and mixed-use entertainment districts. The acquisition enabled HOK to launch a new global Sports + Recreation + Entertainment design practice and to open new offices in Kansas City and Columbus, Ohio.
On May 15, 2015, the firm announced a multi-year partnership with the United Soccer League (USL) in the USA to lead a stadium development, design and standards initiative to help house all USL clubs in soccer-specific stadiums across North America by the end of the decade.
In January 2016, HOK announced that Bill Hellmuth, the firm's president, would succeed Patrick MacLeamy as CEO, effective April 19, 2016.
Innovation and sustainable design
In 1983, HOK introduced HOK Draw, computer-aided drafting software products that specialized in conceptual architectural design. In the early 2000s, HOK began using Building Information Modeling (BIM) to streamline the design and construction process. In 2012, Building Design + Construction ranked HOK the No. 1 BIM Architecture Firm. In 2013, DesignIntelligence magazine, based in part on the firm's leadership in buildingSMART and BIM, ranked HOK the No. 1 Design Firm for Technology Expertise.
HOK is a leader in sustainable design. Professionals in the firm authored one of the industry's most respected resources on the topic, "The HOK Guidebook to Sustainable Design," originally published in 2000 by John Wiley & Sons. A second edition of the book was published in 2005. In September 2008, to better integrate nature's innovations into the design of buildings, communities and cities worldwide, HOK announced an alliance with the Biomimicry Group, co-founded by Janine Benyus. In 2010, HOK and energy and daylighting consultant The Weidt Group completed design of Net Zero Court, a 170,735-square-foot, market-rate, zero-emissions class A commercial office building in St. Louis.
In 2015, for the sixth consecutive year, the DesignIntelligence journal ranked HOK as a leader in sustainable and high-performance design". HOK currently has more than 750 LEED, BREEAM and WELL credentialed professionals and more than 300 green certified projects under various rating systems worldwide.
United States: Atlanta; Chicago; Columbus, OH; Dallas; Houston; Kansas City; Los Angeles; New York; Philadelphia; St. Louis; San Francisco; Seattle; Summit, NJ; Tampa, FL; Washington, D.C.
Canada: Calgary, Ottawa, Toronto
Asia Pacific: Beijing, Hong Kong, Shanghai
Europe: London. Also leads European Architects Network (EAN) - affiliated firms in Amsterdam, Brussels, Madrid, Milan, Paris and Rome
Middle East: Dubai
- 1962: The Priory Chapel, St. Louis, Missouri, United States
- 1970: Houston Galleria, Houston, Texas, United States
- 1970: Xerox PARC, Palo Alto, California, United States
- 1975: King Saud University, Riyadh, Saudi Arabia
- 1976: National Air and Space Museum, Washington, D.C., United States
- 1979: Cecil H. Green Library, Stanford University, Palo Alto, California, United States
- 1981: Moscone Center, San Francisco, California, United States
- 1981: Metropolitan Square, St. Louis, Missouri, United States – Current location of HOK St. Louis office
- 1982: Levi's Plaza, San Francisco, California, United States
- 1983: King Khaled International Airport, Riyadh, Saudi Arabia
- 1985: St. Louis Union Station Renovation and Redevelopment, St. Louis, Missouri, United States
- 1986: BP Building Cleveland, Ohio, United States
- 1986: Kellogg Company Headquarters Battle Creek, Michigan, United States
- 1986: Riverchase Galleria Birmingham, Alabama, United States
- 1991: 801 Grand, Des Moines, Iowa, United States (tallest building in Iowa)
- 1992: Schapiro Center for Engineering and Physical Science Research (CEPSR), Columbia University, New York City, United States
- 1993: Apple Inc. R&D Campus, Cupertino, California, United States
- 1994: Independence Temple, Independence, Missouri, United States
- 1995: Tokyo Telecom Center, Tokyo, Japan (co-designers)
- 1996: Tuntex Sky Tower, Kaohsiung, Taiwan
- 1996-1997: Nortel Brampton Centre HQ, Brampton, Ontario, Canada
- 1997: Foreign and Commonwealth Office Restoration, London, England
- 1997: George Bush Presidential Library, College Station, Texas, United States (on the campus of Texas A&M University)
- 1999: Northwestern Memorial Hospital Facility Replacement and Redevelopment, Chicago, Illinois, United States (co-designers)
- 1999: Edificio Malecon Office Tower, Buenos Aires, Argentina
- 1999: Boeing Leadership Center, St. Louis, Missouri, United States
- 1999: American Airlines Arena (home of NBA Miami Heat), Miami, Florida, United States
- 2000: Passenger Terminal Amsterdam, Amsterdam, The Netherlands
- 2000: Nationwide Arena (home of NHL Columbus Blue Jackets), Columbus, Ohio, United States
- 2001: United States Environmental Protection Agency Research Center, Research Triangle Park, North Carolina, United States (1.2 million-sq.-ft. campus)
- 2002: Darwin Centre at the Natural History Museum, Passenger Terminal Cork, Cork Airport, Ireland
- 2002: Alfred A. Arraj U.S. Courthouse, Denver, Colorado, United States
- 2003: Steven F. Udvar-Hazy Center of the National Air and Space Museum, Chantilly, Virginia, United States
- 2004: Harlem Hospital Center Master Plan and Patient Pavilion, New York City, United States
- 2005: Cisco Systems Executive Briefing Center Interior Design, San Jose, California, United States
- 2005: Terminal A at Logan International Airport, Boston, Massachusetts, United States (world's first LEED certified air terminal building)
- 2005: Stockton Arena (home of ECHL Stockton Thunder), Stockton, California, United States
- 2006: Lavasa Hill Station Master Plan and Design Guidelines, Moss Valley, Pune, India
- 2006: Natural History Museum of the Adirondacks (The Wild Center), Tupper Lake, New York, United States
- 2006: SJ Berwin European Headquarters Interior Design, London, England, (Business Week/Architectural Record Award winner)
- 2007: Dubai Marina, Dubai, United Arab Emirates
- 2007: Hyatt on the Bund, Shanghai, China
- 2007: Sprint Center, Kansas City, Missouri, United States
- 2008: Frost Art Museum, Florida International University, Miami, Florida, United States
- 2008: Midfield Terminal at the Indianapolis International Airport, Indianapolis, Indiana, United States (master designer)
- 2008: Kansas City Power & Light District, Kansas City, Missouri, United States
- 2009: Doha City Centre, Doha, Qatar, (design of five hotel towers for largest retail development in the Middle East)
- 2009: King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia (Saudi Arabia's first LEED certified project and the world's largest LEED Platinum project)
- 2009: Carnival House, head office of Carnival UK, Southampton, England
- 2009: Bakrie Tower, Jakarta, Indonesia
- 2009: Huntington Park (home of Triple-A MiLB Columbus Clippers), Columbus, Ohio, United States
- 2010: Indira Gandhi International Airport – Terminal 3, Delhi, India (LEED Gold certification)
- 2010: New Building 20 at NASA's Lyndon B. Johnson Space Center, Houston, Texas, (LEED Platinum certification)
- 2010: MetLife Stadium (home of NFL New York Giants and NFL New York Jets), East Rutherford, New Jersey, United States
- 2011: Salvador Dalí Museum, St. Petersburg, Florida
- 2011: Brigade Gateway Enclave, Bengaluru, India
- 2011: Keangnam Hanoi Landmark Tower, Hanoi, Vietnam (tallest building in Vietnam)
- 2012: Canon USA Headquarters, Melville, New York
- 2012: Baku Flame Towers, Baku, Azerbaijan
- 2012: Harlem Hospital Center Mural Pavilion, New York City
- 2013: San Francisco Mint Adaptive Reuse, San Francisco, California
- 2013: BBC Broadcasting House Headquarters Workplace Strategy and Interior Design, London, England
- 2013: Husky Stadium (home of University of Washington football), Seattle, Washington, United States
- 2013: Auburn University Recreation & Wellness Center, Auburn, Alabama, United States
- 2014: 535 Mission Street, San Francisco, California, United States
- 2014: Anaheim Regional Transportation Intermodal Center, Anaheim, California, United States
- 2014: National Oceanic and Atmospheric Administration Inouye Regional Center, Pearl Harbor, Hawaii, United States
- 2014: Hamad International Airport Passenger Terminal Complex, Doha, Qatar
- 2015: Avaya Stadium (home of MLS San Jose Earthquakes), San Jose, California, United States
- 2015: Porsche U.S. Headquarters and Customer Experience Center, Atlanta, Georgia
- 2015: University of Chicago William Eckhardt Research Center, Chicago, Illinois
- 2016: Abu Dhabi National Oil Company Headquarters, Abu Dhabi, United Arab Emirates
- 2016: Rogers Place (home of NHL Edmonton Oilers), Edmonton, Alberta, Canada
- 2016: Perot Tower, Mixed Used, Dallas, Texas
- 2016: St Bartholomew’s Hospital Redevelopment and King George V Building, London, England
- 2017: University at Buffalo School of Medicine and Biomedical Sciences, Buffalo, New York
- 2017: Capital Market Authority Tower, Riyadh, Saudi Arabia
- 2017: Mercedes-Benz Stadium (home of the NFL's Atlanta Falcons and MLS Atlanta United FC) Atlanta, Georgia, United States
- 2017: Little Caesars Arena (home of NHL's Detroit Red Wings and NBA's Detroit Pistons), Detroit, Michigan, United States
- 2018: Hartsfield–Jackson Atlanta International Airport Passenger Terminal Modernization, Atlanta, Georgia
- 2018: LaGuardia Airport Central Terminal B, New York, New York (Phase 1)
- 2018: Central and Wolfe Campus, Sunnyvale, California, United States
- 2018: Kentucky International Convention Center Redevelopment, Louisville, Kentucky, United States
- 2018: LG Science Park, Seoul, South Korea
- 2019: FC Barcelona New Palau Blaugrana Arena, Barcelona, Spain
- 2019: Las Vegas Ballpark (home of Pacific Coast League Las Vegas Aviators), Summerlin, Nevada, United States
- 2020: Lynn Family Stadium (home of the USL Championship's Louisville City FC and future home of the NWSL's Proof Louisville FC), Louisville, Kentucky, United States
- 2020: Spire London Skyscraper, London, England
- 2021: UPMC Vision and Rehabilitation Hospital at UPMC Mercy, Pittsburgh, Pennsylvania, United States
- Staff (April 2018) "Top 500 Design Firms", Engineering News-Record
- Staff (January 2018) "2018 Top 100 Giants Research Ranking", Interior Design Magazine
- Dietsch, Deborah K. (November 17, 2008). "HOK's Bill Hellmuth: On top of the world".
- Staff (June 23, 2008) "Uncertain Economy Pushes Design Firms To Diversify Their Portfolios" Engineering News-Record
- Nalewicki, Jennifer (January 20, 2014). "BBG-BBGM Joins HOK to Form Global Hospitality Leader". Interior Design Magazine.
- "BBGM website".
- Staff (May 1, 2014) "HOK Tall Buildings",ORO Editions
- "HOK completes acquisition of 360 Architecture". PanStadia & Arena Management. January 14, 2015.
- "HOK and USL launch stadium development initiative". Stadia. Retrieved May 15, 2015.
- Staff (January 26, 2016). "HOK Names Hellmuth as CEO". St. Louis Post-Dispatch. Retrieved 27 January 2016.
- "Executive Moves". Crain's New York Business. 27 April 2017. Retrieved 2 May 2017.
- Staff (January 30, 2007) "BIM at HOK", AEC Magazine January 30, 2007.
- Cassidy, Robert and Gregorski, Tim (July 19, 2012) "BIM Finally Starting to Pay Off for AEC Firms", Building Design + Construction
- Staff (May/June 2013) "2013 Technology Trends & Innovation Survey", DesignIntelligence
- Staff (May 2006)"Sustainable Leadership Awards" Archived 2016-03-04 at the Wayback Machine, CoreNet Global
- Merchant, Brian (September 22, 2009) "HOK and Biomimicry Guild Forge Alliance for Bio-Inspired Design Excellence" TreeHugger
- Valentine, Bill (October 2010) "Net Zero: Two global design firms issue a call to action and lead by example", Contract
- Badore, Margaret (June 20, 2013) "Genius of Biome Report: A Biomimicry Primer", TreeHugger
- Staff (July/August 2015) "2015 Sustainable Design & Leadership Surveys", DesignIntelligence
- Brown, Steve (November 6, 2013). "Perot Buys Downtown Dallas Corner, Hints at Grand Plans". Dallas Morning News.
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