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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.

Paul Sabatini, PhD, PE, D.GE

Paul Sabatini is a Senior Principal Engineer based in Illinois with more than 26 years of experience focused on the analysis, design, and inspection of anchored walls, landslide stabilization systems,…

Eric Sager, PG

Eric Sager is a Senior Principal Geologist based in Florida with over 22 years of experience working collaboratively to build project teams that solve complex problems and meet client expectations.

Kristin Salzsauler, PGeo

Kristin Salzsauler is a Senior Principal Geochemist based in British Columbia with more than 18 years of experience leading characterizations of mine wastes and finding innovative solutions to manage them,…

Rodolfo Sancio, PhD, PE, D.GE

Rodolfo Sancio is a Senior Principal Geotechnical Engineer based in Texas with more than 20 years of experience focused on geohazard management (i.e., identification, characterization, and mitigation of geohazards), geotechnical…

Christopher Saranko, PhD, DABT

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…

Daniel Schauer, PG

Daniel Schauer is a Senior Principal Geologist based in Florida with more than 35 years of geological, hydrogeological, and geotechnical engineering consulting experience focused on multidisciplinary engineering contracts for federal,…

Jeffrey Schneider, PE

Jeffrey Schneider is a Principal Engineer based in Wisconsin with more than 15 years of consulting experience in geotechnical and water resource engineering and geohazard assessment and mitigation.

Michael Scrafford, MBA

Michael Scrafford is a Senior Principal Data Scientist based in Washington with more than 20 years of experience focusing on designing, developing, and maintaining custom data management systems. He is…

Balaji Seshasayee, PE

Balaji Seshasayee is a Principal Environmental Engineer based in Illinois with more than 10 years of experience focused on water and wastewater treatment and remediation technologies.

Melissa (Missy) Setz, PE

Missy Setz is a Senior Engineer based in Georgia with more than 10 years of professional experience focused in the areas of geotechnical, civil, and dam safety engineering.

John Seymour, PE

John Seymour is a Senior Principal Civil Engineer based in Illinois with more than 40 years of experience focused on site remediation, deep foundation engineering, and construction management. His clients…

Scott Sheridan, PE

Scott Sheridan is a Senior Principal Civil and Geotechnical Engineer based in Virginia with more than 20 years of experience focused on providing professional engineering, construction management, and consulting services…

David Sherman, PG

Dave Sherman is a Principal Geologist based in Pennsylvania with more than 20 years of environmental consulting experience focused on site investigation, groundwater assessment and remediation, and vapor intrusion (VI)…

Chris Shores, PE

Chris Shores is a Senior Environmental Engineer based in North Carolina with more than 12 years of experience focused on contaminated site assessment; the design, construction, and operation of in…

Saverio Siciliano, PG, CEG

Saverio Siciliano is a Senior Principal Consultant based in California with more than 20 years of experience in geo-engineering focused on solving municipal and private client's problems dealing with site…

Robert Sirianni, PG

Bob Sirianni is a Principal Geologist based in Texas who focuses on three-dimensional subsurface modeling and data analysis. He is subsurface lead for Geosyntec’s carbon capture, utilization, and storage practice.

Brian Smith, PG

Brian Smith is a Principal Geologist based in Utah with more than 20 years of professional environmental consulting experience focused in site investigation and remediation, due diligence, environmental compliance and…

Eric Smalstig, PE

Eric Smalstig is a Senior Principal Engineer based in California with more than 30 years of environmental consulting experience focusing on industrial facilities (production and waste management) assessment and remediation,…