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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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June 20, 2017:
Raphael Siebenmann to Present at Georgia Environmental Law Seminar »
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June 16, 2017:
Geosyntec Stormwater Project to Irrigate Landscape and Enrich Education Featured in Stormwater Solutions Magazine »
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June 14, 2017:
Martha Carr Appointed to National Association of State Boards of Geology Council of Examiners »
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June 13, 2017:
Bob Anderson at the 17th Annual Comprehensive Conference on Clean Water and Stormwater »
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June 8, 2017:
Geosyntec Professionals at the EWRI Continuing Education Workshop »
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June 7, 2017:
Ken Susilo Joins Webcast on Economic Instruments for Green Infrastructure Investment »
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June 7, 2017:
SiREM Hosts Dr. Tim Mattes, University of Iowa, in Upcoming Webinar »
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June 5, 2017:
Geosyntec Sponsors Employee Membership for Society of Women Engineers »
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… -
Jennifer Donahue, Ph.D., P.E. »
Jennifer Donahue is a Principal Geotechnical Engineer based in California with more than 20 years of experience focused on managing and supporting a variety of civil and geotechnical projects. Her geotechnical practice focuses on the planning and implementation of field…
