Changing the world in concrete ways

About the Authors

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Jamie Johnson, P.E.

Johnson has more than 28 years of design experience in civil engineering. His resume includes experience in every aspect of site design for both public and private projects. Johnson holds Bachelor and Master of Science degrees in civil engineering from Virginia Tech. He currently serves as Aster Brands’ Director of Innovation.

Nils Lindwall, P.E.

Lindwall has spent 23+ years in geotechnical and civil engineering pursuits. He has worked in both public- and private-sector consulting in the country’s Pacific Northwest and Midwest regions. Lindwall completed his Bachelor of Science in civil engineering at Michigan Technological University and graduated from the University of Washington’s Geotechnical Engineering Master’s Program. He is a senior project manager at Spicer Group, a Michigan-based consulting engineering firm.

John Clinton (“Clint”) Hines, P.E.

Hines owns over 24 years of experience in the retaining wall industry. His background includes site development construction and product sales, design/build retaining wall construction, geosynthetic design solutions, and geotechnical design consulting. A graduate of the University of Cincinnati’s College of Engineering, Hines is the founder and president of J.C. Hines & Associates, a geotechnical design consulting firm specializing in the delivery of optimized retaining wall solutions for large-scale civil site development and infrastructure projects.

Created for current and aspiring engineers, by engineers.

If you’re a geotechnical, structural, or general civil engineering student or educator, or a current engineer with an interest in PMB walls and how they are designed and installed, you need this publication in your resource pool.