Engineers. Scientists. Innovators.

Paul Nicholson, P.Eng.


Paul Nicholson, P.Eng. Paul is a Principal Engineer based in Ontario with more than 18 years of experience in environmental consultation with a focus on assessment and mitigation related to human health risks associated with sub-surface vapour intrusion (VI). As a senior member of Geosyntec’s VI practice, Paul works [...]

Paul Nicholson, P.Eng.2023-07-24T14:58:58-04:00

Ali Nasseri-Moghaddam, Ph.D., P.Eng.


Ali Nasseri-Moghaddam, Ph.D., P.Eng. Ali is a Senior Principal Geotechnical Engineer based in Ontario with more than 25 years of professional experience in the areas of geotechnical, dam, and structural engineering. His expertise includes dam engineering, earthquake engineering, risk management for underground structures, slope stability assessment, geotechnical design of tunneling [...]

Ali Nasseri-Moghaddam, Ph.D., P.Eng.2023-07-24T14:59:22-04:00

Michaye McMaster, M.Sc.


Michaye McMaster, M.Sc. Michaye is a Senior Principal Scientist based in Ontario with over 25 years of experience focused on the development, field testing, and general application of treatment systems to remediate soil and groundwater at sites across North and South America, Europe, and Australia. Michaye is the project [...]

Michaye McMaster, M.Sc.2023-05-30T11:35:25-04:00

Todd McAlary, Ph.D., P.Eng., P.G.


Todd McAlary, Ph.D., P.Eng., P.G. Todd is a Senior Principal Engineer with more than 30 years of international consulting experience focused on the evaluation of contaminant fate and transport in soil and groundwater. Todd specializes in assessing and mitigating the migration of volatile organic compound (VOC) vapour from the [...]

Todd McAlary, Ph.D., P.Eng., P.G.2023-05-30T11:36:05-04:00

Len de Vlaming, P.Eng.


Len de Vlaming, P.Eng. Len is a Principal Engineer based in Ontario with more than 20 years of experience in chemical process design, water treatment design, and capital project delivery. Len has worked extensively in the chemical industry, mining, and food/beverage sectors. His expertise covers the spectrum of unit [...]

Len de Vlaming, P.Eng.2023-05-30T11:36:29-04:00

Gavin Grant, Ph.D., P.Eng.


Gavin Grant, Ph.D., P.Eng. Gavin is a Senior Principal based in Ontario with more than 15 years of experience focused on environmental remediation and the development and implementation of the Self-sustaining Treatment for Active Remediation (STAR) technology. Gavin is the Operations Manager of Savron, a division of Geosyntec. Gavin [...]

Gavin Grant, Ph.D., P.Eng.2023-05-30T11:37:08-04:00

Silvia Mancini, Ph.D., P.Geo.


Silvia Mancini, Ph.D., P.Geo. Silvia is a Senior Principal Geoscientist based in Ontario with more than 16 years of experience focused on innovative solutions in site characterization, water management, treatment on mining and metals, manufacturing, oil and gas, and legal sectors. While Silvia's client service spans several sectors, she [...]

Silvia Mancini, Ph.D., P.Geo.2023-05-30T11:40:56-04:00

David Major, Ph.D., BCES


David Major, Ph.D., BCES David is a Senior Consultant based in Ontario with more than 30 years of experience focused on negotiating, managing and directing the development and deployment of cost-effective remediation strategies and technologies for challenging contaminated sites associated with Fortune 500 companies. A pioneer in remediation technologies, Dave [...]

David Major, Ph.D., BCES2024-06-10T14:35:33-04:00

Leah MacKinnon, M.A.Sc., P.Eng.


Leah MacKinnon, M.A.Sc., P.Eng. Leah MacKinnon is a Senior Principal Engineer with more than 20 years of professional experience in Canada, the United States, and Europe focusing on remediation of groundwater containing recalcitrant and emerging compounds using innovative in situ technologies. Leah has directed, managed, and provided specialist technical support [...]

Leah MacKinnon, M.A.Sc., P.Eng.2024-06-10T13:57:46-04:00

Dan LaPorte, M.Sc., P.Geo.


Dan LaPorte, M.Sc., P.Geo. Dan is a Principal Hydrogeochemist based in Ontario with more than 11 years of experience focused on acid mine drainage and metal leaching characterization and mine waste and site water management for the mining sector. Dan helps mining clients to develop mine site environmental solutions throughout [...]

Dan LaPorte, M.Sc., P.Geo.2023-05-30T11:46:29-04:00
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