Robert “Bob” Gregorek II | Geology Division Manager, Certified Engineering Geologist


As a Registered Professional Geologist and Certified Engineering Geologist, Mr. Gregorek has more than 41 years of experience on geologic and geotechnical aspects of public works, transportation, pipeline, residential, commercial, institutional, and mining projects. These projects have included both private and public sector clients throughout California including Counties of San Bernardino, Riverside, Orange, Los Angeles, San Diego, and Ventura.


Mr. Gregorek’s experience spans project management; marketing; preliminary geotechnical investigations; construction cost estimating; review of grading plan; construction drawings and specifications for conformance with design parameters; the Uniform Building Code and California Building Code; coordination and quality control of observations and testing of soils and materials during grading and construction; geologic field mapping; expert witness for distress evaluations of structures and improvements; groundwater studies; evaluation of geologic and seismic hazards; evaluation of settlement potential and expansive/corrosive characteristics of soils relative to foundation designs; review of aerial photography; evaluation of slope and temporary excavation stability, evaluation of mineral resources and mine reclamation; environmental site assessments; evaluation of potential methane area relative to dairy sites, review of geologic, geotechnical and environmental reports, as well as consultation and review for governing agencies.