Sean Ragain, R.G.
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…
Thomas Ramsey, P.E.
Tom Ramsey is a Senior 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…
Michael Reardon, P.E.
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, Ph.D., P.E.
Heather Rectanus is a Principal Engineer based in Maryland with more than 14 years of experience focused on environmental research, development, and implementation projects.
Syed Rehan, P.E., 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…
David Reynolds, Ph.D., P.Eng.
David Reynolds is a Senior Principal Engineer and based in Sydney with more than 20 years of experience specialized in the development and implementation of groundwater remediation technologies and management…
Cory Reiter, P.E.
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, P.E.
Kaitlyn Rhonehouse is a 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 due…
David Richardson, P.E, P.G.
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, P.Eng., P.E.
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…
David Riotte, P.E.
David Riotte is a Principal Environmental Engineer based in Florida with more than 15 years of experience focused on site assessment and remediation, Brownfields redevelopment, construction management, and the closure…
Glenn Rix, Ph.D., P.E.
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…
Christopher Robb, P.E.
Chris Robb is a Senior 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…
Brent Robinson, P.E.
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, Ph.D.
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…
Marc Rogoff, Ph.D.
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, P.G., CHG
Tara Rolfe is a Senior Hydrogeologist based in Pasadena, California with more than 17 years of experience focused on potable water supply and groundwater development and sustainability.
Jamey Rosen, P.Geo.
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, P.G.
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, P.G., 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.
