Providing a variety of Earth and Environmental Sciences, Engineering, Surveying, Mappying, DGIS, and Construction Management Services to private and public sector clients
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Business Development & Marketing Specialist, Summer Griffin
Alexander Dewitt, PG - Stockton Division Manager
Andrew S. Kositsky, PE, GE - Senior Geotechnical Engineer
Anthony (Tony) Mazzei, PE, GE - Engineering Services Manager
Barry Hillman, PhD - Executive Consultant
Carter Redding, MS CHMM
Casey Kipf, PG - Senior Geologist
Elizabeth Wilden - Sonora Division Manager
Giovanni (Gio) J. Del Papa, PE – Senior Engineer
James Montgomery - GIS Programmer / Analyst
John Dailey, PE, GE - Registered Geotechnical Engineer
John Kramer, PhD - Principal Hydrogeologist
Kim Reed - GSA Contract Administrator
Lee Morse, PG - Merced Division Manager
Marc Crum, CEG - Senior Geologist
Matt Yelland, CFO - Accounting Department
Robert Job, PE, CPEA - President
Ron Skaggs, PE, GE - Vice President and Principal Engineer
Scott Lewis, CEG - Principal Engineering Geologist
Stewart Workman, CIRO
Sue Gray - Executive Administrative Assistant
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