Drew Paulusse, B.Sc., C.E.T., Environmental Scientist / Biologist


  • B.Sc., Biology, Trent University, 2007
  • Dip., Environmental Technology, Fleming College, 2004

Drew Paulusse is Geofirma’s staff Biologist and an Senior Environmental Scientist with over 10 years of extensive experience in Human Health & Ecological Risk Assessment, Environmental Impact Assessment and phased Environmental Site Assessments.  Mr. Paulusse is a certified Engineering Technologist in the province of Ontario.  He has managed and/or participated in a variety of projects, providing clients with support on benthic invertebrate surveys, species at risk identification, Ontario endangered species legislation, ecological risk assessment, and environmental impact assessments. Mr. Paulusse was the lead biologist for a project to determine the effect of fireworks on a small lake including a Tier I human health and ecological risk assessment. As lead biologist, he was responsible for investigation design (i.e. benthic study design, design of surface water and sediment sampling program and hydrological), assessment of contaminant levels relative to federal and provincial quality guidelines, hydrologic process evaluation, benthic impairment assessment, assessment of risk from contaminated sediment, remedial options and reporting.  Complimenting his Biology experience Mr. Paulusse has managed and participated in many ESA projects including; borehole drilling, soil sampling, monitoring well installation and groundwater sampling programs for clients including PWGSC, NCC, MOE, and several private sector clients.

Currently Mr. Paulusse is responsible for growing Geofirma’s Ecological Services while operating as a lead Risk Assessor on human health and ecological risk assessment and providing technical support to companywide ESA projects.