Mackenzie Cremeans is a Project Hydrogeologist based in Kansas who focuses on site characterization and remediation, as well as on environmental forensics for metals, chlorinated solvents, petroleum hydrocarbons, polychlorinated biphenyls (PCBs), and per- and polyfluoroalkyl substances (PFAS).
Lea Kane is a Principal Geologist based in Washington with more than 17 years of experience leading complex site investigation and remediation projects for contaminated sites across the West Coast.
Kathleen Brannen-Donnelly is a Project Geologist based in Georgia who focuses on aqueous geochemistry, environmental statistics, and site characterization and who supports related environmental litigation.
Maygan Cline is a Senior Principal Geologist based in California with more than 14 years of experience focused on hydrogeologic site characterizations, in situ and ex situ remediation technologies, regulatory liaison, site closure, and property redevelopment for private and public clients.
Lonnie Mercer is a Principal Geologist based in Utah with more than 16 years of professional experience focused on environmental site investigation and remediation, environmental due diligence, and environmental compliance.
Lane Dorman is a Senior Principal Hydrogeologist based in Florida with more than 12 years of professional experience focused on the assessment and remediation of arsenic, coal combustion residuals (CCR), and chlorinated solvent groundwater plumes.
Matthew Wissler is a Senior Principal Hydrogeologist with more than 19 years of experience focused on the evaluation and permitting of water resources, hydrogeologic investigations relating to resource and waste permitting, groundwater modeling of complex aquifer systems, contaminated site assessment and remediation, and vapor intrusion assessment and mitigation.
Todd Creamer is a Senior Principal Geologist based in North Carolina with more than 24 years of experience and is chairman of Geosyntec's international vapor intrusion (VI) practice.
Kathleen Harrison is a Senior Principal Geologist based in California with more than 35 years of experience focused on watershed management, stormwater pollution prevention, and erosion control. She is a significant contributor to water resource projects across the United States.
J. Chris Herin is a Senior Consultant Hydrogeologist in the field of environmental risk management and minimization based in Florida with more than 30 years of environmental consulting experience, his practice has focused significantly on the mitigation of environmentally impaired properties, environmental compliance, due diligence (All Appropriate Inquiry), and cost-to-cure estimates. He also specializes in hydrogeologic studies, contaminant fate and transport evaluations, and waste management. He is periodically tapped to serve as a technical expert in litigation on these issues.
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