Hammel, Green and Abrahamson

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Hammel, Green and Abrahamson (HGA) is an architecture, engineering, and planning firm that originated in Minnesota. It was founded in 1953 by Minnesotans Dick Hammel and Curt Green (Bruce Abrahamson joined shortly thereafter).

All three of HGA's founders were schooled in the Bauhaus tradition, which stressed a collaborative and inter-disciplinary approach to Modernism. They began their work designing K-12 school buildings. The firm later expanded into other areas, such as healthcare, corporate environments and higher education. They are currently one of the largest firms in Minnesota.

HGA has expanded into twelve national offices: Minneapolis and Rochester, Minnesota; Los Angeles, Sacramento, San Diego, San Jose and San Francisco in California; Milwaukee and Madison in Wisconsin; Boston; Alexandria, Virginia; and Washington, D.C.^[1]

In October 2018, HGA announced its acquisition of Wilson Architects, a Boston-based firm specializing in science and technology facilities for higher education and corporate clients.^[2]

• Tim Carl, FAIA, Chief Executive Officer
• Scott Lindvall, AIA, Chief Operating Officer
• Angie Edwards, CPA, Chief Financial Officer
• Jennifer Haferbecker, Chief Marketing Officer
• Terri Howard, Director of Equity
• Rebecca Sanders, AIA, NCARB, Chairperson of the Board
• Ariane Laxo, CID, IIDA, LEED AP ID+C, Sustainability Director

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• 110 Grant Apartments, Minneapolis, Minnesota^[3]
• Barbara Barker Center for Dance, University of Minnesota, Minneapolis, Minnesota
• Benedicta Arts Center (1964) and expansion (2006), College of Saint Benedict, Saint Joseph, Minnesota^[4]
• Bigelow Chapel, United Theological Seminary, New Brighton, Minnesota^[4]
• Capital One Hall, Tysons, Virginia
• Cedars-Sinai Medical Center, Los Angeles, California^[4]
• Chaffey College Center for the Arts, Rancho Cucamonga, California^[4]
• Colonial Church of Edina, Edina, Minnesota
• Columbus State University Performance and Visual Arts Campus, Columbus, Georgia
• General Mills Corporate Headquarters, Golden Valley, Minnesota^[4]
• Great Lakes Aquarium, Duluth, Minnesota^[4]
• Janet Wallace Fine Arts Center expansion and renovation, Macalester College, Saint Paul, Minnesota^[4]
• Lakewood Cemetery Garden Mausoleum, Minneapolis, Minnesota^[4]
• Lucile Packard Children's Hospital, Stanford University, Palo Alto, California^[4]
• Mayo Clinic College of Medicine Multidisciplinary Simulation Center, Rochester, Minnesota^[4]
• Medtronic World Headquarters, Fridley, Minnesota^[4]
• Minnesota History Center, Saint Paul, Minnesota^[4]
• Minnesota State Capitol restoration, Saint Paul, Minnesota^[4]
• Museum of the North, University of Alaska, Fairbanks, Alaska^[4]
• Napa Valley College Performing Arts Center, Napa, California^[4]
• Northeast Georgia Health Center, Braselton, Georgia^[4]
• Northrop Auditorium renovation, Minneapolis, Minnesota^[4]
• Orpheum Theatre (Minneapolis) restoration, Minneapolis, Minnesota
• Pantages Theater restoration, Minneapolis, Minnesota
• Plains Art Museum, Fargo, North Dakota
• Rochester Art Center, Rochester, Minnesota^[4]
• Southridge High School, Kennewick, Washington
• Surly Brewery, Minneapolis, Minnesota^[4]
• Target Field, Minneapolis, Minnesota
• Temple Israel addition, Minneapolis, Minnesota^[4]
• Texas A&M University–Commerce Music Building, Commerce, Texas^[4]
• UC Davis Medical Center, Sacramento, California^[4]
• Union Depot restoration, Saint Paul, Minnesota
• Valley Performing Arts Center, California State University, Northridge, Los Angeles, California
• Valparaiso University Center for the Arts, Valparaiso, Indiana
• Walker Art Center renovation (2017), Minneapolis, Minnesota^[4]

• Logan, Katharine (February 8, 2006) Of Glass and Warmth and Wood, ArchitectureWeek
• HGA Website
• Emporis Website^[usurped]
• Hammel, Bette, (1989) From Bauhaus to Bow Ties: HGA Celebrates 35 Years

• Official website
• Firm history at Great Buildings
• ArchitectureWeek article