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70th Anniversary of Hollis + Miller Architects

The year 2020 marks 70 years of designing the future at Hollis + Miller Architects. To commemorate this momentous landmark year, we’re going back in time – deep into the vault – to showcase the rich history of the firm and its roots within the community. While the faces have changes and our offices have moved in the last seven decades, we’re still the same purpose-driven firm at our core.

  • Don Hollis


    Don Hollis starts the firm as Donald R. Hollis, AIA Architect in Overland Park, Kansas.

  • 1951

    Dave Miller begins as the first full-time employee in June.

  • Firm is renamed Donald R. Hollis AIA, J. David Miller Associate.


    The firm is renamed Donald R. Hollis AIA, J. David Miller Associate.

  • Bob Hollis


    Bob Hollis joins the team in September, and the firm receives its first $1 million job for Meadowbrook Junior High School in Shawnee Mission, Kansas.

  • 1959


    The firm opens offices in Denver and Council Bluff, Iowa, allowing the firm to handle work in six states. Construction finishes on Lewis Hall, the first multi-story dormitory at the University of Kansas.

  • 1960


    The firm is renamed Hollis + Miller Architects and Engineers.

  • 1961


    Hollis and Miller becomes incorporated as a “C” corporation in Nebraska. (Kansas had no corporate laws at the time.)

  • 1971


    Don and Leah Hollis are killed in a small plane crash in South America during a mission trip.

  • The firm merges with Roberts & Wisniewski to become the Hollis + Miller Group.


    The firm merges with Roberts & Wisniewski to become the Hollis + Miller Group.

  • Interiors


    The firm adds its first Interiors employee.

  • 1986


    Hollis + Miller Group opens a satellite office in Lee’s Summit with 13 employees, and the firm drops its engineering department.

  • 2006

    The firm adopts a new logo and a new name: Hollis + Miller Architects.

  • 2008

    The firm adds Graphics to its list of services.

  • 2010

    Hollis + Miller redefines and develops its processes, develops its brand and culture, creates its studio structure and focus on education, and becomes a true market leader in education design.

  • education design


    Hollis + Miller puts its sole emphasis on education design.

  • Hollis + Miller Kansas City office


    The firm combines its Lee’s Summit and Overland Park offices into a single new office in the Crossroads Arts District of Kansas City, Missouri, while also expanding to the west with a new office outside Denver in Castle Rock, Colorado.

  • AIA Firm of the Year


    Hollis + Miller Architects wins AIA Kansas City Firm of the Year.

  • Castle Rock Colorado office


    Hollis + Miller moves into a larger office in downtown Castle Rock, located on Wilcox Street in the new Riverwalk Building, to better accommodate the growth of the Colorado team.

  • 70th anniversary logo


    Hollis + Miller Architects celebrates its 70th anniversary as a firm.