Craig serves as the Laboratory Manager for Shannon & Wilson's in-house laboratory for the Saint Louis office. He has 36 years’ experience in directing and performing physical testing components of numerous geotechnical studies. Craig has completed laboratory testing for soil, rock, concrete, asphalt, masonry, steel and aggregate materials. In addition to his laboratory experience, Craig has also performed field testing services as an engineering technician for earthwork, asphalt and concrete pavement installation, foundation, and floor slab construction.