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Geosyntec has built a record of successful client service by attracting some of the most creative scientists and engineers from the graduate programs of leading universities around the world.

We retain staff by providing challenging projects and a management and professional development infrastructure to support innovation on behalf of clients. We also provide staff with ownership opportunities and other financial incentives that create continuous personal links between client service and corporate well-being.

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Alphabetical List of Senior Practitioners

Scott Elder is a Senior Principal and Construction Specialist based in Georgia with more than 27 years of experience focused on day-to-day management and implementation of complex field assignments, construction…
Mark Ellard is a Senior Principal Water Resources and Environmental Engineer based in Florida with more than 25 years of experience in diverse watershed management, water quality assessment, and stormwater…
Dan Elliott is a Senior Consultant based in New Jersey with more than 25 years of global experience managing and performing environmental due diligence assessments, characterizing and quantifying environmental liabilities,…
David Espinoza is a Senior Principal Geoenvironmental Engineer based in Maryland focused on foundation design over soft soils, design of containment facilities (e.g., municipal solid waste, mining tailings, coal-combustion residuals),…
Robert Ettinger is a Senior Principal Environmental Scientist based in California with more than 20 years of professional experience focused on the fate and transport of contaminants in the unsaturated…
Tom Fendley is a Principal Environmental Engineer based in Georgia with more than 30 years of experience focused on civil/infrastructure design, construction engineering and contract administration, water resources engineering, and…
Robert Ferree is a Senior Principal Geologist based in Michigan with more than 30 years of experience focused on hydrogeologic investigations; remedial investigations; underground storage tank (UST) removal; soil and…
Anne Fitzpatrick is a Senior Principal Scientist based in Washington with more than 26 years of sediment remediation experience. She has in-depth experience managing high-profile investigation and remediation projects under…
David Folkes is a Senior Principal Environmental Consultant based in Colorado with more than 40 years of experience in environmental and geotechnical consulting with special expertise and experience in several…
Lance Fontenot is a Principal Toxicologist based in Louisiana with more than 20 years of experience focused on assessing the human health and ecological effects of hazardous substance releases, and…
Scott Forbess is a Senior Principal Engineer based in California with more than 17 years of professional experience focused on remediation design, Remediation Investigation/Feasibility Study (RI/FS) programs, treatment system process…
Marcus Ford is a Senior Principal Hydrogeologist based in the United Kingdom with nearly 30 years of experience focused on environmental liability management and the assessment and remediation of contaminated…
Stephen Foster is a Principal based in Colorado with more than 30 years of experience focused on preparing human health and ecological risk assessments for projects regulated under CERCLA, RCRA,…
Stefanie Fountain is a Senior 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…
Alan Fowler is a Senior Principal based in New Hampshire with more than 25 years of experience focused on the assessment and remediation of contaminated sediment. Alan is a recognized…
Kenneth Fredianelli is a Principal Construction Management Professional based in California with more than 30 years of experience focused on managing engineering, construction, and design/build projects for clients in solid,…
Suzanne Gabriele is a Principal Consultant based in Colorado with more than 25 years of professional experience focused in the areas of environmental policy and management systems development and implementation,…
Bill Gaffigan is a Principal Environmental Manager based in Georgia with more than 20 years of experience focused on environmental valuation, litigation support, business transactions, and strategic business consulting. He…
John Gallinatti is a Senior Principal Hydrogeologist based in California with more than 25 years of experience focused on quantitative hydrogeology, including groundwater modeling, environmental fate of dissolved organic compounds,…
Ron Gestler is a Senior Scientist based in California with 18 years of professional experience in remediation services. He has participated at every level in the design, implementation, operation, maintenance,…
Gregory Gibbons, P.E., a Principal at Geosyntec, is an Environmental Engineer based in Illinois with more than 35 years of experience focused on the investigation and remediation of contaminated sediment…
Robert Glazier is a Principal Environmental Consultant based in Maryland with more than 30 years of experience focused on site remediation, risk assessment, and environmental permitting associated with solid and…
Don Goebel is a Senior Principal based in Tennessee with more than 28 years of experience focused on sales, marketing, business development, and senior level executive sales management.
Cuneyt Gokmen is a Senior Principal Geoenvironmental Engineer with more than 20 years of experience focused in the areas of civil, geotechnical, and environmental engineering.
Janet Goodfellow is a Principal Engineer based in Ontario with more than 20 years of professional experience focused on water and wastewater challenges for the food and beverage sector.
Kate Graf is a Principal Engineer based in Pennsylvania with more than 20 years of experience focused on providing air quality services to industrial clients. Her experience spans environmental engineering…
Gavin Grant is a Senior Principal Geological and Civil Engineer based in Ontario with more than 10 years of experience focused on the fate and behavior of dense non-aqueous phase…
Duane Graves is a Senior Principal Scientist based in Tennessee with more than 30 years of experience focused on environmental biotechnology; environmental forensics; in situ groundwater, soil, and sediment remediation;…
Scott Graves is a Principal Engineer based in Texas with experience focused on geotechnical, environmental, and water resources engineering. Scott specializes in landfill design and permitting, waste site remediation, and…
Alex Greene is a Senior Principal Engineering Geologist based in California with more than 20 years of professional experience focused on engineering geology, geotechnical engineering, and water resources management.
Christopher Greene is a Senior Principal Environmental Engineer based in Massachusetts with more than 20 years of experience focused on managing, designing, and constructing remediation projects. His experience includes investigation,…
Leslie Griffin is a Senior Principal Civil Engineer based in Georgia with more than 20 years of experience focused on the design and construction of large, multi-disciplinary projects involving waste…
Mark Grivetti is a Senior Principal Hydrogeologist based in California with more than 30 years of experience focused on characterization and remediation of hazardous waste sites, surface and groundwater resource…
Geosyntec Consultants
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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