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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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September 21, 2018:
Raphael Siebenmann and Robert Dunn Presented on the Application of Unmanned Aerial Systems to the Alabama Mineral Institute »
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September 20, 2018:
Seth Kellogg Testified on Per- and Polyfluoroalkyl substances (PFAS) on Behalf of NGWA in Pennsylvania »
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September 12, 2018:
Nick Muenks to Present "Tips and Best Practices for Successful Permit Applications" at the Missouri Water Seminar »
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September 11, 2018:
Rula Deeb to be Featured Speaker at Energy Bar Association's "PFAS and Other Emerging Contaminants: Science, Regulation and Litigation" Program in New York »
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September 10, 2018:
Pete King Appointed as President of the New Hampshire Chapter of the American Council of Engineering Companies »
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September 5, 2018:
Todd DeJournett to Present at University of Minnesota MnDRIVE Water Technology Listening Session »
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August 30, 2018:
Geosyntec Congratulates NTE Energy on Ribbon Cutting Ceremony to Commemorate Commercial Operation of the Kings Mountain Energy Center »
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August 30, 2018:
Amanda Hughes Attending the National Academy of Engineering’s Frontiers of Engineering Symposium »
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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Jill Johnson, P.G. »
Jill Johnson is a Principal Hydrogeologist based in Florida with more than 17 years of experience focused on a wide range of environmental projects, including groundwater monitoring and reporting, contamination assessments, remedial evaluation and implementation, and environmental planning and compliance.… -
Karen Berry-Spark »
Karen Berry-Spark is a Senior Principal Hydrogeologist based in Ontario with more than 30 years of professional experience focused on the characterization and remediation of sites impacted by chlorinated solvents and other dense non-aqueous phase liquids (DNAPLs) in soil and… -
Chriso Petropoulou, Ph.D., P.E., BCEE »
Chriso Petropoulou is a Senior Principal Environmental Engineer based in Illinois with more than 25 years of consulting experience focused on a wide variety of clients in the industrial manufacturing sector. Her clients include foundries, metal product manufacturing, rubber manufacturing,…
