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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

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 35 years of experience focused on environmental and geotechnical consulting throughout the United States and Canada.…
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 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…
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 Senior Engineer 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 Maryland 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,…
Patrick Galvin is a Senior Principal Civil Engineer based in California with more than 25 years of experience focused on the design and implementation of site investigations, feasibility studies, and…
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. He has…
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. Cuneyt specializes in the management…
Janet Goodfellow is a Principal Engineer based in Ontario with 19 years of professional experience focused on water and wastewater challenges for the food and beverage sector. Her areas of…
Kate Graf is a Principal based in Pennsylvania with more than 20 years of experience who focuses 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. As…
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 17 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…
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,…
Todd Hagemeyer is a Senior Principal Hydrogeologist based in Georgia with more than 25 years of experience focused on development of environmental management solutions for the manufacturing and service facilities…
Mark Hanna is a Senior Principal Water Resources Engineer based in California with over 20 years of experience focused on water resources management. His experience in water rights, integrated water…
Kathleen Harrison is a Principal Geologist based in California with more than 20 years of experience focused on watershed management, stormwater pollution prevention, and erosion control. She is a significant…
Michael Hayes is a Principal Civil Engineer based in West Virginia with more than 20 years of experience focused on project management and engineering experience for client projects, including remediation…
Anica Haynes is a Senior Environmental Engineer based in Louisiana and with more than 15 years of experience focused on diverse technical and project management experience in environmental consulting, primarily…
Dan Heidenreich is a Senior Consultant Geologist based in Colorado with more than 20 years of experience focused on GIS data management and mapping. He also conducts 3D site visualizations,…
Geosyntec Consultants
Geosyntec is a specialized 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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