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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

Brian Petty is a Senior Principal based in California with more than 17 years of experience focused on chemical and civil engineering, industrial water management, water and wastewater treatment plant…
Dale Prokopchak is a Principal Industrial Hygienist and Occupational Safety Specialist with more than 30 years of experience as a leader in industrial hygiene, safety, corporate environmental, health and safety…
Scott Promer is a Principal Engineer based in Alabama with more than 20 years of professional experience in business development, operations, engineering, and project management delivering large and complex projects…
Sean Ragain is a Senior Principal Geologist based in Oregon with more than 25 years of experience focused on providing hydrogeologic and environmental consulting services to both private industry clients…
Tom Ramsey is a Principal Civil Engineer based in Maryland with more than 30 years of experience focused on engineering design, construction management, and economic analyses associated with containment design…
Brandon Raymond is a Project Engineer based in Massachusetts with over eight years of experience focused on modeling, designing, and constructing coastal engineering and sediment remediation projects. His experience includes…
Mike Reardon is a Principal Environmental Engineer based in California with more than 20 years of experience focused on due diligence, site assessments, and soil, soil vapor, and groundwater remediation…
Syed Rehan is a Principal Environmental Engineer based in California with more than 22 years of experience focused on developing engineering solutions and regulatory compliance strategies for environmentally impaired sites…
Cory Reiter is a Senior Principal Engineer based in Missouri with more than 18 years of experience focused on managing federal civil and environmental projects in the areas of flood…
David Reynolds is a Senior Principal Engineer and Australian Operations Manager based in Sydney. He specializes in the development and implementation of groundwater remediation technologies and management strategies for complex…
Elizabeth Rhine is a Principal Environmental Scientist based in South Carolina with more than 25 years of professional experience focused on the characterization and remediation of impacted sites in the…
Kaitlyn Rhonehouse is a Senior Engineer based in North Carolina with more than 12 years of experience focused on the assessment and remediation of contaminated properties, property transaction environmental due…
David Richardson is a Senior Engineer based in Minnesota with more than 30 years of consulting experience focused on managing and executing environmental and engineering projects for private and public…
David Riotte is a Principal Senior Environmental Engineer based in Florida with more than 15 years of experience focused on site assessment and remediation, Brownfields redevelopment, construction management, and the…
Glenn Rix is a Senior Principal Geotechnical Engineer based in Georgia with more than 30 years of experience focused on the areas of geotechnical earthquake engineering and engineering seismology. His…
Chris Robb is a Principal Engineer based in Wisconsin with more than 20 years of experience in environmental consulting, remediation design and construction, quality control, and project management of solid…
Marc Rogoff is a Senior Consultant based in Florida with more than 38 years of professional experience focused on solid waste management waste collection studies, facility feasibility assessments, facility site…
Jamey Rosen is a Senior Principal Geoscientist based in Ontario with more than 20 years of experience focused on Geospatial Information Management System design and development. Jamey has built systems…
Gregory Roush is a Senior Principal Geologist based in Georgia with more than 30 years of experience focused on directing multidisciplinary projects involving site assessments and corrective actions at industrial…
J. Scott Rowlands is a Principal Hydrogeologist based in California with more than 25 years of experience focused on environmental and geotechnical consulting. With a practice focus on due diligence,…
Paul J. Sabatini, Ph.D., P.E., D.GE. is a Senior Principal with Geosyntec Consultants in their Oak Brook, Illinois office. He has been a practicing engineer for 22 years and has…
Rodolfo Sancio is a Senior Principal Geotechnical Engineer based in Houston, Texas with more than 20 years of experience focused on geohazard management (i.e., identification, characterization, and mitigation of geohazards),…
Thierry Sanglerat is a Senior Principal Civil Engineer based in California with more than 30 years of consulting experience focused on groundwater and soil remediation, brownfield site redevelopment, waste management,…
Christopher Saranko is a Principal Senior Board-Certified Toxicologist based in Georgia with more than 15 years of experience focused on evaluating potential risks associated with exposures to chemicals in the…
Bruce Sass is a Senior Consultant based in Ohio with more than 20 years of experience focused on the development and implementation of chemical process improvements and environmental remediation technologies.…
Daniel Schauer is a Senior Principal Geologist based in Florida with over 24 years of geological, hydrogeological, and geotechnical engineering consulting experience focused on multidisciplinary engineering contracts for federal, municipal,…
Mark Schultheis is a Senior Principal Environmental Engineer based in California who leads a diverse practice specializing in multi-party Brownfields redevelopment and Superfund project management. At California's Thomas Ranch Site,…
John Seymour is a Senior Principal Civil Engineer based in Illinois with over 30 years of experience focused on site remediation, deep foundation engineering, and construction management. His clients include…
Scott Sheridan is a Senior Principal Civil and Geotechnical Engineer based in Virginia with more than 15 years of experience focused on providing professional engineering, construction management, and consulting services…
Eric Smalstig is a Senior Principal Engineer based in California with more than 25 years of environmental consulting experience focusing on industrial facilities (production and waste management) assessment and remediation,…
Margaret "Poppy" Staub is a Senior Principal Consultant based in Colorado with more than 20 years of experience focused on environmental compliance, Superfund site management, pollution prevention practices, and management…
Brandon Steets is a Senior Principal Engineer based in California with more than 18 years of experience specializing in National Pollutant Discharge Elimination System (NPDES) and Total Maximum Daily Load…
Eric Strecker is a Senior Principal Water Resources Engineer based in Oregon with more than 30 years of experience focused on the design, monitoring, and evaluation of stormwater best management…
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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