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Keller Group
From the Piedmont to the Coastal Plain, our team delivers deep foundations, ground improvement, and earth retention solutions tailored to North Carolina’s diverse subsurface conditions.
Based in Greensboro, Keller supports projects across the state, including Charlotte, Raleigh, Durham, and Wilmington. Our teams bring experience working across North Carolina’s varied geologies, from residual soils in the Piedmont to soft, compressible soils in coastal regions.
Geotechnical expertise in North Carolina
North Carolina’s geology varies significantly across the state, requiring tailored geotechnical solutions. Keller’s Greensboro team has experience addressing:
- Residual soils and weathered rock in the Piedmont region
- Soft soils and high groundwater conditions in the Coastal Plain
- Variable subsurface conditions impacting foundation performance
- Large-scale site development for industrial and energy projects
This regional expertise allows Keller to deliver reliable, efficient solutions across a wide range of project types and ground conditions.
Our geotechnical solutions
Key contacts
David Kirschner is a Business Development Manager for Keller North America.
David brings more than two decades of experience in geotechnical construction and client development. Based in Greensboro, he has built a long-standing career with Keller, focusing on cultivating client relationships and supporting project opportunities across the region.
David holds a Bachelor of Science in Manufacturing Engineering from North Carolina Agricultural and Technical State University and an Associate of Science in Mechanical Engineering from Guilford Technical Community College.
Mary Susan Jackson is a Senior Estimator at Keller North America.
Mary Susan supports preconstruction planning, budgeting, estimating, and proposal development for complex geotechnical construction projects throughout the Southeast. In her role, Mary Susan develops cost estimates and technical proposals for a wide range of specialty foundation, earth retention, and ground improvement solutions, working closely with project executives, engineers, contractors, and clients during the preconstruction phase. She has contributed to numerous commercial, infrastructure, and development projects involving aggregate piers, soldier pile and lagging walls, excavation support systems, and other geotechnical solutions.
Mary Susan is also active in the foundation construction industry and serves as President of the Carolinas Chapter of the Association of Drilled Shaft Contractors (ADSC), helping support collaboration and professional development within the regional geotechnical community.
Philip Byrd is a Vice President at Keller North America.
Philip leads operations across the Carolinas and brings more than 20 years of experience in geotechnical engineering, construction, and regional leadership. He has progressed through roles including Area Manager and Branch Manager, building a strong background in project management, business development, and team leadership.
Philip holds both a Bachelor of Science and a Master’s degree in Civil Engineering from North Carolina State University.
Featured projects
Power
Davidson County Solar Farm
Keller used a high-frequency variable moment vibratory hammer to complete the first 4-MW phase of a new single-axis tracking solar energy farm that would provide clean, renewable energy to the Duke Energy grid.
