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Sean Ragain, RG

Sean Ragain is a Senior Principal Geologist based in Oregon with more than 30 years of experience focused on providing hydrogeologic and environmental consulting services to private industry clients and…

Teresa Raine

Tree Raine is a Principal Air Quality and Carbon Consultant based in Massachusetts with more than 25 years of experience focused on environmental planning and compliance strategy to help clients…

Thomas Ramsey, PE

Tom Ramsey is a Senior Principal Civil Engineer based in Maryland with more than 35 years total of experience focused on engineering design, construction management, and economic analyses associated with…

Alena Raymond, PhD

Alena Raymond is a Civil and Environmental Engineer based in California who focuses on life cycle assessment (LCA), sustainability, and geotechnical engineering.

Michael Reardon, PE

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…

Heather Rectanus, PhD, PE

Heather Rectanus is a Senior Principal Engineer based in Maryland with more than 14 years of experience focused on environmental research, development, and implementation projects.

Syed Rehan, PE, BCEE

Syed Rehan is a Senior 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…

Cory Reiter, PE

Cory Reiter is a Senior Principal Engineer based in Indiana with more than 20 years of experience focused on managing federal civil and environmental projects in the areas of flood…

Kaitlyn Rhonehouse, PE

Kaitlyn Rhonehouse is a Senior Principal Engineer based in North Carolina with more than 14 years of experience focused on the assessment and remediation of contaminated properties, property transaction environmental…

David Richardson, PE, PG

David Richardson is a Senior Engineer based in Minnesota with more than 30 years of experience managing and executing environmental assessment and engineering projects for private and public sector clients…

Ian Richardson, PEng, PE

Ian Richardson is a Senior Principal based in Ontario with more than 30 years of experience developing remedial strategies and negotiating and implementing remedial action at complex sites in the…

Glenn Rix, PhD, PE

Glenn J. 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.…

Jeff Roberts

Jeff Roberts is a Senior Principal based in Ontario with more than 20 years of experience focused on environmental remediation and the development, testing, and implementation of in situ remediation…

Julia Roberts, PhD, PE

Julia Roberts is a Project Engineer based in Maryland with five years of experience focused on geotechnical engineering and instrumentation for a variety of dams, coal combustion residual (CCR) facilities,…

Christopher Robb, PE

Chris Robb is a Senior Principal Engineer based in Wisconsin with more than 20 years of experience focused on environmental consulting, remediation design and construction, quality control, and project management…

Brent Robinson, PE

Brent Robinson is a Senior Principal Engineer based in Utah with more than 25 years of domestic and international civil engineering and environmental, health, and safety (EH&S) consulting experience. His…

Andrea Rocha, PhD

Andrea Rocha is a Scientist based in Tennessee with more than 10 years of experience focused on research using geochemical, microbial, computational, and genomics techniques within the areas of environmental…

Adam Roder, PE, PG

Adam Roder is a Principal Engineer and Geologist based in Wisconsin with more than 25 years of technical and management experience focused on site investigations; corrective actions for soil, groundwater,…

Marc Rogoff, PhD

Marc Rogoff is a Senior Consultant based in Florida with more than 38 years of professional experience focused on solid waste management as a public agency manager and consultant.

Tara Rolfe, PG, CHG

Tara Rolfe is a Principal Hydrogeologist based in Pasadena, California with more than 17 years of experience focused on potable water supply and groundwater development and sustainability.

Jamey Rosen, PGeo

Jamey Rosen is a Senior Principal Geoscientist based in Ontario with more than 25 years of experience focused on Geospatial Information Management System design and development. Jamey has built systems…

Gregory Roush, PG

Gregory Roush is a Senior Principal Geologist based in Georgia with more than 30 years of experience focused on directing multi-disciplinary projects involving site assessments and corrective actions at industrial…

Scott Rowlands, PG, CEG, CHG

J. Scott Rowlands is a Principal Hydrogeologist based in California with more than 30 years of experience focused on environmental and geotechnical consulting.