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 1,800 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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Innovations For Vapor Intrusion
Robert Ettinger
Brownfield Redevelopment
Susan Welt
From Investigation to Mitigation
Todd McAlary, Ph.D., P.Eng., P.G.
No Problem That We Can't Solve
Todd Creamer, P.G.
Broadest Toolbox, Deepest Expertise
David Folkes, P.E.
Experienced Partners, Better Solutions
Theresa Gabris, P.G.
No One is Immune From Vapor Intrusion
Practitioner Spotlight
Todd Creamer is a Senior Principal Geologist based in North Carolina with more than 24 years of experience and is chairman of Geosyntec's international vapor…
Helen Dawson is a Senior Principal Civil and Environmental Consultant based in Washington, D.C. with more than 30 years of experience focused on private practice,…
David Folkes is a Senior Principal Environmental Consultant based in Colorado with more than 40 years of experience focused on vapor intrusion (VI) evaluation and…
Robert Ettinger is a Senior Principal Environmental Scientist based in California with more than 20 years of professional experience focused on soil vapor extraction system…
Todd McAlary, Ph.D., P.Eng., P.G. »
Todd McAlary is a Senior Principal Engineer with more than 30 years of international consulting experience focused on the evaluation of contaminant fate and transport…
Ravi Arulanantham is a Senior Principal Consultant based in California with more than 20 years of experience focused on risk assessment and remediation management. He…
Susan Welt is a Principal Engineer based in Massachusetts with more than 20 years of experience focused on the investigation and remediation of industrial sites,…
John Boyer is a Senior Consultant currently based in North Carolina, joining Geosyntec after serving for 30 years with the New Jersey Department of Environmental…
Theresa Gabris is a Senior Geologist based in Washington, D.C. with experience in contaminant fate and transport, conceptual site modeling, and site remediation.
Paul Nicholson is a Principal Engineer based in Ontario with more than 18 years of experience in environmental consultation with a focus on assessment and…
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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