Will Tanner, PE

Will Tanner is a Principal Engineer based in Georgia with more than 16 years of experience focused on geotechnical and geostructural engineering and construction. His practice has evolved around a…

E. Onur Tastan, PhD, PE

Onur Tastan is a Principal Geotechnical Engineer based in North Carolina with more than 13 years of experience focused on geotechnical and geostructural engineering including field investigation, analysis, design, and…

Bailey Theriault, PG, LG

Bailey Theriault is a Senior Principal Geologist based in New Hampshire with more than 14 years of experience focused on geohazard assessment and management for oil and gas clients.

Jay Thompson, PhD, PE

Jay Thompson is a Senior Environmental Engineer based in Minnesota focused on site investigation and remediation, environmental forensics, environmental cost allocation, and contaminant fate and transport at complex sites.

Shanna Thompson, PE

Shanna Thompson is a Principal Environmental Engineer based in Georgia with more than 19 years of experience focused on site investigation, remediation design, and remediation system operation. She has performed…

Danielle Thorson, PEng

Danielle Thorson is a Senior Engineer based in Ontario with more than 15 years of experience focused on environmental consulting.

Eric Tollefsrud, PG

Eric Tollefsrud is a Principal Hydrogeologist based in Minnesota with more than 30 years of environmental consulting experience focused on the characterization and remediation of soil, soil vapor, and groundwater…

Gordon Thrupp, PhD, PG, CHG

Gordon Thrupp is a Principal Hydrogeologist based in California with more than 25 years of experience focused on evaluating geological and hydrogeological conditions. He has specialized in quantitative analysis of…

Denise Tripp

Denise Tripp is a Senior Consultant based in Massachusetts with more than 35 years of experience focused on environmental assessment and remediation and litigation support for clients in the paper,…

Jonathan Turk, LG, LHG

Jonathan Turk is a Principal Hydrogeologist based in Washington with more than 20 years of experience focusing on water resources, water supply, long-range planning, and climate response.

Jeffrey Tyburski, PG

Jeffrey Tyburski is a Senior Principal Geologist based in North Carolina with more than 36 years of experience focused on developing technically defensible and cost-effective solutions for environmental assessments, corrective…