CLEATH-HARRIS GEOLOGISTS, INC
  • Home
  • Services
    • Hydrogeology
    • Engineering Geology
    • Environmental Services
    • Mineral Resources
    • Additional Services
  • Request a Proposal
  • About Us
  • Contact Us

Our Geologists

"Our clients know who we are, know that we will be there when they need us, and know we will get the job done right."

Timothy S. Cleath, President, PG, CHG, CEG

Picture
Tim Cleath, a certified hydrogeologist (CHG) and certified engineering geologist (CEG) in California, is the president of Cleath-Harris Geologists.  Tim has an extensive understanding of water resources gained through over 30 years of hands-on experience and personal involvement with water issues on the Central Coast.  Tim also performs volunteer work in hydrogeology that spans the globe.  Tim's knowledge of local ground water conditions and his working relationships with local and State agencies will greatly facilitate and expedite projects.

Spencer J. Harris, Vice President, PG, CHG, CEG

Picture
Spencer Harris, a certified hydrogeologist (CHG) and certified engineering geologist (CEG) in California, has been with Cleath-Harris Geologists since 1994 and has 10 years prior experience in geophysical exploration and environmental consulting.  Spencer's varied background includes groundwater modeling, water resource management, land surveying, environmental assessments, and experience in numerous field techniques related to subsurface investigations.  Spencer is a quality-oriented, creative professional with the hydrogeologic experience and understanding necessary to assess difficult issues, such as long-term sustainable yield and seawater intrusion.


Neil D. Currie, PG

Picture
Project geologist Neil Currie received his Bachelor of Science in Earth Science in 2014 and his Master of Science in Petroleum and Natural Gas Engineering in 2017.  Neil's capabilities include borehole logging, geologic mapping, well design and construction monitoring, stream flow measurement and classification, groundwater monitoring, thermal modeling, reservoir modeling, geothermal ​characterization, mine reentry and evaluation, fracture characterization and modeling, carbon sequestration evaluation, resistivity studies, and various engineering design, evaluation, testing, and management techniques for petroleum and natural gas reservoirs.

Andrea M. Berge, PG

Picture
Project geologist Andrea Berge graduated with a Bachelor of Science degree in Geology in 2007, working in oil and gas fields as a senior mudlogger for eight years before joining Cleath-Harris Geologists in 2015.  Andrea's capabilities include borehole logging, mineral identification, geologic mapping, well construction monitoring, and groundwater sampling.


Timothy D. Kershaw

Picture
Tim Kershaw received a Bachelor of Science in Environmental Engineering in 2010, and a Masters in Geography in 2013.   He joined Cleath-Harris Geologists as a GIS Specialist and Environmental Scientist in 2016.  Tim’s capabilities include GIS, groundwater modeling, surface water and groundwater monitoring, air quality monitoring, and laboratory analytical techniques.

James M. Carlson

Picture
Staff geologist James Carlson received his Bachelor of Science in Environmental Earth Science with a concentration in geology in 2019.  His capabilities includes geologic mapping, rock and mineral identification, soil classification, stream flow measurements, groundwater monitoring, and various geophysical methods for subsurface investigation and characterization.


75 Zaca Lane, Suite 110
San Luis Obispo, California 93401
(805) 543-1413 • info@cleath-harris.com
Cleath-Harris Geologists © 2019