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 Project Engineer based in Georgia with more than eight 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,…

J. Jeffrey Standish, PhD

Jeff Standish is a Senior Sustainability Consultant based in Minnesota with more than 20 years of experience in project management, data analysis, strategic planning, sustainability business development, impact analysis, and…

Garry Stanley, PG

Garry Stanley is a Principal Geologist Consultant based in Illinois with more than 20 years of environmental consulting experience focused on site investigation, groundwater assessment and remediation, and vapor intrusion…

Brandon Steets, PE

Brandon Steets, PE, is a Senior Principal Engineer based in California with more than 20 years of experience in National Pollutant Discharge Elimination System (NPDES) and Total Maximum Daily Load…

Olga Stewart, PE, PMP

Olga Stewart is a Principal Environmental Engineer based in Alaska with more than 13 years of experience focused on site characterization of contaminated sites; conceptual site model development and refinement;…

Tim Strowbridge, MSOE IPlantE

Tim Strowbridge, MSOE IPlantE, is a Principal Process and Environmental Consultant based in the United Kingdom with more than 30 years of experience as a process and project engineer. He…

Eric Suchomel, PhD, PE

Eric Suchomel is a Senior Principal Environmental Engineer based in California with more than 15 years of academic and professional experience focused on remedial program management, site investigation and characterization,…

James Stout, BCES

Jim Stout is a Senior Principal Environmental Scientist based in Texas with more than 31 years of experience focused on the effective management of environmental remediation projects for private and…

Terry M. Sullivan, PE

Terry Sullivan is a Senior Structural Engineer Consultant based in Kentucky with more than 40 years of experience focused on risk management and risk-informed design and construction for dams and…

Ken Susilo, PE, D.WRE

Ken Susilo is a Senior Principal Water Resources Engineer based in California with more than 25 years of experience focused on integrated urban stormwater management.