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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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August 14, 2018:
Rula Deeb, Jason Conder, and Lange Jorstad to Lead CRC CARE Workshops: Technical and Regulatory Issues Resulting from the use of PFAS at Contaminated Sites »
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August 13, 2018:
Sandra Owens to Present Section 112(r)(1) The General Duty Clause Under RMP at the Alliance of Hazardous Materials Professionals (AHMP) 2018 National Conference »
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August 10, 2018:
Geosyntec Professionals Featured at SWANA's WASTECON 2018 »
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August 9, 2018:
Lelio Mejia Selected by the California DWR to Serve on the Independent Review Board for the Oroville Dam Facilities »
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August 8, 2018:
Beth Gross and John Seymour Served as Principal Investigators for the "Alternative Cover Systems for Coal Combustion Residuals Landfills and Surface Impoundments" Technical Report for the EPRI »
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July 30, 2018:
Paul Tschirky to Present on Designing for Coastal Resiliency at the International Conference on Coastal Engineering »
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July 27, 2018:
Wassim Tabet Coauthors “Characterization of Hydration Products’ Formation and Strength Development in Cement-Stabilized Kaolinite Using TG and XRD” for the Journal of Materials in Civil Engineering »
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July 27, 2018:
Marc Rogoff Coauthors “So You Want to Be an Expert Witness?” Article for The Reporter – A Publication of The Environmental and Land Use Law Section of The Florida Bar »
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.… -
Michaye McMaster, M.Sc »
Michaye McMaster is a Senior Principal Remediation Scientist based in Ontario with more than 15 years of experience focused on the development, field testing, and general application of in situ biological systems to remediate soil and groundwater. She has years… -
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,…
