David Allison is a Senior Principal Engineer based in Idaho with more than 20 years of consulting and industry experience focused on the design and operation of water and wastewater treatment systems, site characterization and remediation, mine investigation and discharge treatment, and construction services.
Autry Akins is a Principal Environmental Scientist based in Louisiana with more than 13 years of experience focused on natural resources permitting for industry throughout the central, southern, and eastern United States.
Andrew Austreng is a Senior Principal Hydrogeologist based in Washington with more than 15 years of experience focused on projects involving water supply planning, permitting, and development.
Rafat Abbasi is a Senior Consultant based in California with more than 35 years of experience focused on vapor intrusion, site investigation, mitigation, and remediation of many types of properties, including manufacturing, commercial, agricultural, dry-cleaning, and military sites.
Hossam Ali is a Senior Principal Geotechnical Specialist based in Dubai with more than 33 years of experience focused on geotechnical engineering.
Ashkan Arefi is a Principal Environmental Engineer and Risk Assessor based in Ontario with more than 17 years of experience assessing and managing contaminated sites across Canada.
Marlaina is a Senior Principal Engineer based in Ontario with more than 20 years of experience focusing on remediating soil and groundwater and managing large multidisciplinary teams to address complex projects.
Erik Andersen is a Senior Principal Geotechnical Engineer based in Washington with more than 28 years of geotechnical engineering experience focused on project management, subsurface investigation, design, and construction support for infrastructure improvements including roadways, bridges, culverts, utilities, and public facilities.
Jonathan Allen is a Senior Principal Scientist based in Tennessee with more than 18 years of experience focusing on water and natural resources.
Jeremiah Armitage is a Principal Geologist based in Indiana with more than 20 years of experience investigating and remediating contaminated sites with a focus on addressing groundwater contamination and vapor intrusion.
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