John Guilliams, AIA

Partner, Architect + Director of Design

John Guilliams has been designing innovative and successful homes and communities for over 30 years. He is a Partner and Director of Design at KGA Studio Architects in Colorado, where he leads the firm’s award-winning Community and Production Design Studio. Having worked for some of Colorado’s most reputable design firms specializing in multi-family, land planning, and residential architecture, John combines his vast experience and technical knowledge with a team approach in order to serve his long-standing client base. John is a member of the Urban Land Institute and a board member of the NAHB’s Design Committee.


Licensed Architect: CO, ID, NV, AZ

Select Projects
  • 2019 Nationals Gold Award: Detached Community of the Year
  • 2019 Nationals Silver Award: Best SFD Model Home Over 4,000 SF
  • 2018 Nationals Gold Award: Building Industry Community Spirit Award
  • 2018 CARE Award: Best Custom Home
  • 2017 MAME Award: Best Urban Infill Design
Affiliations & Memberships
  • American Institute of Architects, AIA
  • Home Builders Foundation (HBF) Board Member
  • National Association of Home Builders
    • NAHB Design Committee, 2023
    • NAHB 55+ Housing Industry Council Board of Trustees, 2023
  • Home Builders Association of Metro Denver
  • Urban Land Institute (ULI) Colorado