Henry Yee is a Senior Risk Assessor with more than 8 years of experience in the areas of toxicology, human health risk assessment (HHRA) and ecological risk assessment (ERA). He has conducted HHRAs and ERAs for contaminated sites across Canada, proposed and abandoned mine sites, proposed steam-assisted gravity drainage oil sands projects, and proposed energy-from-waste facilities. He is experienced with each aspect of HHRA and ERA, including problem formulation, exposure and toxicity assessment, risk characterization, and derivation of site-specific target/remediation levels. He has also provided RA model and regulatory guideline development support to Canadian government agencies.