Driving innovation through collaboration & diversification

Meet Our Dynamic Team

  • Clear Filters
Colleen Connor, PE
Senior Associate | Wastewater
Cristobal Arias
Senior Preconstruction Manager
Darren Orender
Senior Architect
Dave Magistro, PE
Director | Operations
David Harper
Business Development
Derek Harth, PE, SE
Senior Associate | Bridge
Doug Carpenter, CPESC, CPSWQ
Senior Lead | Field Services
Eric Brumet
Director of Field Operations
  • GBA Builders
Frank Phelan, PE
Principal | Regional Manager | Wastewater
Graham Jones
Senior Project Manager
Hallie Sheptor
Director | Marketing
  • GBA Companies Corporate Services
Holly Lehmkuhl, PE, LEED AP, ENV SP
Principal | Bridge
Careers at GBA
It’s More Than Just A Job
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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