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Employee Profiles

CSA’s staff includes highly trained and licensed professionals with advanced degrees in the fields of geotechnical engineering, civil engineering, engineering geology, hydrogeology, geophysics, and fluvial geomorphology.

Please click on an individual for more information:

Principals and Senior Professionals

• William R. Cotton, RG, CEG
  Founder, Chief Engineering Geologist
  
• Patrick O. Shires, RCE, GE, RGPh
  President, Principal Geotechnical Engineer/Geophysicist
• Dale R. Marcum, RCE
  Principal Engineer
  
• Ted Sayre, RG, CEG, EIT
  Principal Engineering Geologist
  
• David T. Schrier, RCE, GE
  Principal Geotechnical Engineer
  
• John M. Wallace, RG, CEG
  Principal Engineering Geologist
• Edward A. "Sandy" Hay, RG
  Senior Geologist
  
• Philip L. Johnson, RG, CEG
  Senior Engineering Geologist
  

Staff Engineers & Geologists

• Joe Durdella
  Staff Engineering Geologist
  
• Marina Mascorro
  Staff Geologist
  
• Andrew Mead
  Staff Engineering Geologist
  
• Jason Nichols
  Staff Geologist
  
• Jonathan Sleeper
  Staff Geologist
  
• Jamie Smith
  Staff Geologist
• Gordon Stolla
  Supervising Engineering Geologist
• Josh Zupan
  Staff Engineer
  
• Tim Sneddon, RCE
  Senior Staff Engineer

Technical Illustrators

• Wendy Kimn

Administrative

• Lynette Key
  
• Karen Frey
• Kristina Dunnaway
  

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