Stephen Johnson

Phoenix Branch Manager - COO - Senior Vice President


  • RG in California
  • RG in Arizona


  • BS, Geology, Sonoma State University California
  • BS, Communications, University of Oregon

Mr. Johnson is a Senior Vice President and a Board of Directors member of GeoTek with 30 years’ experience. He is a professional geologist within Arizona and California. He is currently Branch Manager of the Phoenix office and Area Manager of the Albuquerque office as well is a Corporate Operations Manager. His professional experience includes a wide variety of development projects including geotechnical design and materials testing and inspection services. His geotechnical design experience includes evaluation of local and regional geology, subsurface conditions, ground water, local and regional faulting, site grading (earthwork), hillside grading, and development of foundation design with the project engineers. Mr. Johnson also has experience with rock fall evaluations by simulated computer programs and stereo net plotting of rock fracture patterns, Jack and Bore tunneling recommendations, and depth of scour. Other experiences include rippability studies of hard bedrock material and blasting recommendations. As a Project Manager and the Construction Materials Testing Department Manager he has managed and overseen construction inspections for many residential, commercial, high rise, industrial, Public Works and Public Agency projects.

Mr. Johnson has provided many administrative functions from contract review, implementation of internal quality assurance management, business development, personnel supervision, and financial management. He also helped manage GeoTek, Inc. in becoming the first Geotechnical Engineering company to become International Accreditation Service (IAS) certified in Special Inspections.