GRM Engineering LLC
GRM Engineering LLC
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  • Our Team
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Meet Our Team

Marcus Galvan, P.E.

With over 35 years of experience in geotechnical engineering, Marcus is a recognized leader in the planning, design, and delivery of transportation infrastructure across Texas. His 16-year tenure with the Texas Department of Transportation (TxDOT) Bridge Division has shaped his deep expertise in subsurface investigations, foundation and retaining wall design, slope stability analysis, and scour mitigation strategies.


Marcus plays a critical role in constructability reviews and provides hands-on field support for geotechnical structures, ensuring technical precision and practical feasibility throughout the construction process. His contributions extend to forensic evaluations, value engineering studies, and litigation support, where his analytical rigor and industry insight consistently add value.


In addition to project execution, Marcus has led highway research initiatives, authored technical specifications, and helped modernize TxDOT Geotechnical Standards. His leadership and commitment to geotechnical excellence make him an indispensable resource for complex infrastructure projects statewide.

Contact Marcus

Jason Reeves, P.E.

With over two decades of experience in geotechnical engineering, construction inspections, and materials testing, Jason has played a pivotal role in delivering infrastructure solutions across the State of Texas. His expertise spans the full lifecycle of transportation and civil projects—from initial geotechnical investigations and design support to construction oversight and quality assurance.


Jason has successfully led projects in both urban and rural environments, demonstrating a deep understanding of regional soil conditions, site constraints, and construction challenges. His client portfolio includes municipalities, counties, regional mobility authorities, and the Texas Department of Transportation (TxDOT), reflecting his versatility and commitment to public infrastructure development.


Known for his practical insight and collaborative approach, Jason ensures geotechnical integrity and performance across a wide range of transportation and public works projects.

Contact Jason

Matt Miller, P.E.

With over 25 years of experience in geotechnical engineering, Matt brings a comprehensive understanding of subsurface design, construction, and field operations to infrastructure projects across Texas and nationwide. He has provided technical leadership to clients, managed multidisciplinary design teams, and supervised personnel engaged in geotechnical support activities on a broad range of transportation and civil works projects.


Matt is a recognized expert in the design and construction of Mechanically Stabilized Earth (MSE) walls and Soil/Rock Nail systems. His deep knowledge of both metallic and geosynthetic soil reinforcement systems allows him to tailor solutions to complex site conditions. He is highly experienced in evaluating and designing for a variety of backfill materials, including cement-stabilized fill, lightweight cement-foamed fill, and crushed rock fill.


His technical capabilities include leading field exploration programs, performing laboratory and in-situ testing, conducting retaining wall analysis and detailing, and executing forensic evaluations. Matt is frequently called upon to resolve critical issues related to MSE and soil/rock nail wall performance and provides expert oversight during construction inspection activities to ensure geotechnical integrity and compliance.

Contact Matt

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