Cass Mathews, PE, has over 11 years of experience as a Civil Engineer, 9 of which are in the field of geotechnical engineering. He is currently ACI, nuclear safety and MODOT Grade I certified and is a registered professional engineer in the states of Missouri and Hawaii. His range of expertise includes geotechnical investigations and construction material testing for commercial developments, industrial facilities, water and wastewater facilities, sanitary and storm sewers, earth retaining structures, streets and airport pavement projects.

Cass has experience in civil design, surveying and geotechnical design and construction as well as observation and testing for shallow foundations, retaining walls, earth dams, lagoon liners, and concrete. He is also responsible for field exploration, lab test data reduction, soil and rock sample classification, boring log preparation and is competent in a wide range of geotechnical laboratory tests. His diverse experience in the field of Civil Engineering has allowed him to become intimately familiar with a variety of codes and standards.