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Krzysztof Jesionek is a Principal Environmental Engineer based in California with more than 35 years of experience focused on solid and hazardous waste management, including facility design and closure, permitting,…
Jill Johnson is a Senior 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…
Mark Johnson is a Principal Engineer based in Washington, D.C. with more than 20 years of experience focused on earth site investigation and remediation, groundwater assessment and remediation, subsurface vapor…
Ronald Johnson is a Senior Principal Geotechnical Engineer based in California who has been focused on the most seismically active areas of the United States throughout his career. He has…
Tim Jones is a Principal Engineer based in England with more than 10 years of experience in fire and explosion management for clients in the oil and gas, nuclear and…
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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