Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure.
Client Service
We are more than 1,700 engineers, scientists, and related technical and project support personnel committed to technical leadership and client service as the foundations for producing practical, efficient, and sustainable solutions for our clients' most complex environmental, social, and governance challenges.
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Market Focus
We develop and refine services to clients in markets where innovation can deliver practical solutions to our clients when compared to traditional approaches. We focus on service offerings where technical leadership and creative thinking produces outstanding, lasting value for clients.
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Exceptional Solutions
Since our founding in 1983, Geosyntec has helped clients succeed in their endeavors involving the environment, natural resources, and infrastructure. We aspire to deliver exceptional solutions without exception through innovative applications of proven and emerging scientific and engineering technologies.
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Practitioner Spotlight
Jill Cooper is a Senior Principal Consultant based in Colorado with more than 26 years of experience focused on environmental compliance, sustainability, pollution prevention practices,…
Lynn McGuire is a Senior Principal Engineer based in California with more than 34 years of experience in process and environmental engineering consulting for air…
Paula Hutchison, P.Eng. QPESA »
Paula Hutchison is a Principal Engineer based in Ontario with more than 14 years of environmental engineering experience assisting clients in Canada and the United…
Sam Phlegar is a Senior Principal Engineer based in South Carolina with more than 36 years of experience focused on Coastal Engineering, Marina Planning and…
Howard Cumberland is a Senior Principal Marine Scientist based in Oregon with more than 30 years of experience focused on remedial strategies for clients as…
Anne Fitzpatrick is a Senior Principal Scientist based in Washington with more than 26 years of sediment remediation experience. She has in-depth experience managing high-profile…
Kaitlyn Rhonehouse is a Principal Engineer based in North Carolina with more than 14 years of experience focused on the assessment and remediation of contaminated…
Mark Johnson is a Principal Consultant based in Maryland with more than 23 years of experience focused on transactional support, site investigation and remediation, subsurface…
Shanna Thompson is a Principal Environmental Engineer based in Georgia with more than 19 years of experience focused on site investigation, remediation design, and remediation…
Mark Hanna, Ph.D., P.E., LEED AP »
Mark Hanna is a Senior Principal Water Resources Engineer based in Southern California with more than 25 years of experience focused on water and natural…
Kirk Craig is a Senior Principal Environmental Engineer based in Arizona with more than 25 years of experience focused on the characterization and remediation of…
Robert Annear is a Senior Principal Environmental Engineer in our Water Resources Practice based in Oregon with more than 25 years of experience focused on…
Safety is a daily commitment and investment in our organization, and we operate with the philosophy that safety, quality, and productivity complement each other.
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Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure.
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