Driving innovation through collaboration & diversification

Meet Our Dynamic Team

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Mike Erdtmann, PE
Principal | Regional Manager | Roadway
Mitchell Waala, PE
Lead | Fire & Life Safety
  • George Butler Associates
Molly Oller, AIA, LEED AP
Director | Process Architecture
Nathan McCune
Senior Project Manager
Nikki Conley, PE, ENV SP, LEED AP
Senior Engineer | Roadways
Patrick Hildebrandt
Project Manager | Design
Paul Maes
Director | Operations - West Coast
Philip Ciesielski, PE
Lead
Richard Harper, PE
Senior Project Manager | Roadway
Rodney Ranzenberger, AIA, LEED AP
Lead | Architecture
Ryan Hagerty, PE, SE
Associate | Bridge
Ryan McLaughlin
Business Development
Careers at GBA
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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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