Mr. Davis began work at Preston in 1994 while still in high school under the mentorship of the original owner J. Ray Preston, P.E. Michael gained experience in all aspects of construction materials testing and advanced to the level of Senior Soil, Laboratory, and Concrete Technician eventually being promoted to the role of Vice President. In 2014, Michael and his wife Nicole took over as the Company owners of the newly reorganized Preston Geotechnical Consultants, LLC. Michael is responsible for personnel supervision and QA/QC of laboratory processes for all lab work associated with geotechnical subsurface investigations and for all materials testing control jobs.