David Bertrand, P.Geo., P.G.

David Bertrand is a Senior Principal Hydrogeologist based in Ontario with more than 20 years of experience in environmental consulting. David has directed and managed large interdisciplinary projects including contaminated site assessment and remediation of recalcitrant contaminants, brownfield redevelopment, waterfront revitalization, and vapour intrusion assessment and mitigation.

David is a leader in Geosyntec's vapour intrusion practice and is a recognized expert in the oversight and management of large vapour intrusion investigations, community relations, and the design and installation of mitigation systems. David has directed and managed large remediation projects using the following technologies: self-sustaining treatment for active remediation (STAR) technology, multi-phase extraction and enhanced bioremediation of dense non-aqueous phase liquids (DNAPLs), in situ thermal remediation, alternative approaches for in situ bioremediation of perchlorate, phytoremediation and excavation of soils containing chlorinated solvents, mercury, and petroleum hydrocarbons.


Site Investigation and Remediation, Groundwater Assessment and Remediation, and Subsurface Vapour Intrusion to Indoor Air

Practice Area
Contaminated Site Assessment and Cleanup and Water and Natural Resources

Earth Sciences, Hydrogeology


B.Sc., Honors Earth Science, Hydrogeology Specialization, University of Waterloo, Ontario, 2000


Ontario Professional Geoscientist, P.Geo. License No. 1559; New York Professional Geologist, P.G. License No. 001103