Driving innovation through collaboration & diversification

Meet Our Dynamic Team

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Holly Lehmkuhl, PE, LEED AP, ENV SP
Principal
Joe Starkey, PE, CWI
Principal
Kent Dyck, PE, LEED AP
Vice President
Keri McGill, PE, SE, LEED AP
Principal | Building Structures
  • George Butler Associates
Kurt Hassler, PE
Principal | Regional Manager | Wastewater
Laurie Cybulski, PHR, SHRM-CP
Director | Human Resources
  • GBA Companies Corporate Services
Molly Oller, AIA, LEED AP
Principal | Process Architecture
Mike Erdtmann, PE
Principal | Regional Manager
Paul Maes
Principal | Operations - West Coast
Jim Whorton
Vice President
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Scott Grier
Corporate Attorney
  • GBA Companies Corporate Services
Sterling Cramer, PE
Vice President
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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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