Mr. Hughes is a graduate of the University of Tennessee is a licensed Professional Engineer in NC and VA. He is also licensed as a Certified BMP inspector in North Carolina. Mr. Hughes began his engineering career in 1992, he was employed by a soil and materials testing firm. In 1997 he established his own geotechnical engineering firm Piedmont Geotechnical, Inc., PA, which he managed since then. In 2006 he established D. Allen Hughes Engineering, Inc., which he managed since then. Since then he has gained significant experience in the analysis, design, investigation, and testing of subsurface conditions and construction materials including soils, concrete, and wood.