Paul Sabatini, Ph.D., P.E., D.GE

Paul Sabatini is a Senior Principal Engineer based in Illinois with more than 22 years of experience focused on the analysis, design, and inspection of anchored walls, landslide stabilization systems,…

Eric Sager, P.G.

Eric Sager is a 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.

Rodolfo Sancio, Ph.D., P.E., D.GE

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, P.E.

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, Ph.D., 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, P.G.

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,…

John Seymour, P.E.

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, P.E.

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…

Saverio Siciliano, P.G., C.E.G.

Saverio Siciliano is a 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 subsurface…

Andrea Siefers, P.E.

Andrea Siefers is a Project Engineer based in North Carolina with more than 10 years of consulting and regulatory experience focused in air quality, including permitting, compliance, and greenhouse gas…

Eric Smalstig, P.E.

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,…

Brian Smith

Brian Smith is a Senior Environmental Consultant based in Utah with more than 18 years of professional experience focused in site investigation and remediation, due diligence, environmental compliance and permitting.

Kenneth J.K. Smith, P.G.

Ken Smith is a Senior Principal Hydrogeologist based in Pennsylvania with more than 33 years of experience managing client liabilities and remediation under complex regulatory conditions. Recently, he has focused…

Poppy Staub

Margaret "Poppy" Staub is a Senior Principal based in Colorado with more than 28 years of experience focused on regulatory compliance, water quality, permitting, integrated management systems and sustainable business…

Brandon Steets, P.E.

Brandon Steets, P.E., 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…

Eric Suchomel, Ph.D., P.E.

Eric Suchomel is a 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, feasibility…

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…

Scott Struck, Ph.D.

Scott Struck is a Principal based in Colorado with more than 15 years of experience focused on planning, design, and implementation of stormwater infrastructure and watershed management to meet drainage…

Ken Susilo, P.E., 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.