About People

David Jacobson

David Jacobson, RG

Senior Geologist

David joined the Portland office of Shannon & Wilson in September of 2018. He has significant experience in subsurface explorations, including drilling, rock coring, soil sampling, environmental sampling, and characterization and profiling of underlying soils. He also has experience performing geologic reconnaissance and site exploration, and construction observation of large diameter drilled shafts.

David has conducted piezometer and inclinometer data collection and processing, cross-hole sonic logging of drilled shaft piers, rock slope structure mapping for large infrastructure projects, and ASTM laboratory testing. He is also experienced in coordinating, permitting, and executing small and large exploration projects. He is adept with the use of GIS software for engineering and geologic applications, including the development of seismic hazard maps. 


  • MS, Geology, University of Canterbury (New Zealand), 2015
  • BS, Geology, Whitman College, 2012


  • Registered Geologist, Oregon

Practice Area

Geological Services

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