Driving innovation through collaboration & diversification

Meet Our Dynamic Team

  • Clear Filters
Mackenzi Baum
Director | Marketing
  • GBA Companies Corporate Services
Mark Lehmkuhl
Senior Project Manager
Mary Miller, PE
Associate | Roadways
Matthew Gorton
Director | Business Development - West Coast
Matt Graviett, PE
Project Lead | Roadways
Michael Lay, PLS
Principal | Survey
Mike Erdtmann, PE
Principal | Regional Manager | Roadways
Mitchell Waala, PE
Lead | Fire & Life Safety
  • George Butler Associates
Molly Oller, AIA, LEED AP
Director | Process Architecture
Nathan McCune
Director | Construction Management
Nikki Conley, PE, ENV SP, LEED AP
Senior Engineer | Roadways
Patrick Hildebrandt
Associate | Project Delivery
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GBA is a place where passionate, ambitious people come to learn & grow.
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We will bring the complete team to meet your needs and move your project forward. Contact GBA today.
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