Driving innovation through collaboration & diversification

Meet Our Dynamic Team

A.J. Girondo, PE

A.J. is the team leader of the Water Environment department at GBA’s regional office in Chesterfield. He manages the City Engineering practice and serves as the City Engineer for multiple cities in the area. His experience has helped him develop project management skills for all aspects of city engineering and infrastructure projects. A.J. leads teams for projects involving municipal engineering, water resources, site design and transportation drainage. He has the unique experience within the municipal setting to deliver projects with tight schedules on time and within budget.

Professional Highlights

  • 20+ years of experience – Worked at GBA since 2017
  • PE: IL, MO, OK


  • Bachelor of Science in Civil Engineering from Missouri University of Science and Technology
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