David Simpson is a Principal Geologist at AECOM, where they manage the Engineering Geology Group and oversee complex geologic site characterization studies for major civil projects since 2005. Previously, they served as a Senior Engineering Geologist at URS Corporation and Gilpin Geosciences, Inc., contributing their expertise in engineering geology. David earned a Bachelor of Science in Geology from the University of California, Davis, and a Master of Science in Geology/Earth Science from The University of New Mexico.
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