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We are engineers, scientists,
and innovators.Learn about our commitment to practice excellence.
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Geosyntec Staff Advance the
State of the ProfessionLearn about our academic and research contributions
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Electric Power Utilities
Services for hydro, fossil fuel, nuclear, and renewable energy generating and transmission facilities
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Air Quality Permitting, Compliance and Optimization
Successfully navigating the complex regulatory environment
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Contaminated Sites
Among the world's top professionals for contaminated site assessment and cleanup services
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Geosyntec News & Events
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April 23, 2018:
Geosyntec Collaborates with Illinois Institute of Technology for Water Sustainability Workshop »
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April 20, 2018:
David Reynolds to Present on Fluid Flow and Contaminant Transport at National Academy of Sciences Meeting »
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April 19, 2018:
Juan Pestana to Give Keynote Lecture on Urban Infrastructure at Purdue University's Geotechnical Society Workshop Program »
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April 19, 2018:
Caroline Field Discusses Harnessing Resilience for Investment Decision Making »
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April 18, 2018:
Paul Tschirky to Present on Coastal Resiliency at the ABA 47th Spring Conference »
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April 16, 2018:
Geosyntec to Attend American Bar Association's 36th Water Law Conference »
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April 16, 2018:
Geosyntec Staff Author Article on Modeling Avian Exposures to Perfluoroalkyl Substances in Chemosphere »
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April 12, 2018:
Andrea Rocha Contributes to Groundwater Contamination and Ecosystem Functioning Article in mBio »
Engineers. Scientists. Innovators.
Our People
We are 1,200 engineers, geologists, scientists, and other technical specialists committed to the idea that technical leadership and client service are the foundations for producing solutions for our clients that are practical, efficient, and sustainable.
Our Practices
We develop and refine our core practices in areas where innovation can deliver practical solutions with substantially improved benefits to our clients when compared to traditional approaches. We focus on service offerings where we can create exceptional value for our clients.
Our Experience
Since our founding in 1983, Geosyntec has completed nearly 10,000 projects worldwide with an outstanding safety record. Our experience delivers on the potential of innovative applications of proven and emerging scientific and engineering technologies.
Practitioner Spotlight
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Stefanie Fountain, Ph.D., P.E., PMP »
Stefanie Fountain is a Principal Engineer based in Tennessee with more than 17 years of professional experience focused in the areas or radiological waste management; on-site disposal facility siting and design; site characterization and conceptual site model development; groundwater fate… -
Mary deFlaun, Ph.D., BCES »
Mary deFlaun is a Senior Principal Environmental Scientist based in New Jersey with more than 20 years of experience focused on the development and implementation of in situ remediation technologies. Mary has practical experience bringing in situ remediation technologies addressing… -
Beth Gross, Ph.D., P.E. »
Beth Gross is a Senior Principal Geotechnical Engineer based in Texas with more than 25 years of experience focused on environmental site characterization and management, as well as siting, design, permitting, operations, construction, and closure of waste management facilities for…
