About People

Seth Sonnier

Seth Sonnier, CEG, LEG

Senior Engineering Geologist


Seth Sonnier joined Shannon & Wilson's Portland office in 2014 and currently serves as a Senior Engineering Geologist. He supports multiple sectors, providing analyses and coordination for landslides, rock-slope, transportation, tunneling, and material source projects. Seth also assists and manages project teams with experience in site and subsurface characterization, drilling and field logistics, field mapping, and geotechnical instrumentation.

EDUCATION

  • MS, Geology and Earth Science, Sul Ross State University, 2015
  • BS, Geology, Sul Ross State University, 2009

LICENSES & REGISTRATIONS

  • Certified Engineering Geologist, Oregon
  • Licensed Engineering Geologist, Washington

AFFILIATIONS

  • Association of Environmental & Engineering Geologists
  • Geological Society of America
Office
Portland
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Practice Area

Geological Services

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