Gradient
Joel Cohen, Sc.D., DABT is a Principal Toxicologist at Gradient with specialties in computational toxicology and human health risk assessment. With previous experience as a Visiting Scientist at Harvard T.H. Chan School of Public Health researching nanomaterial applications and toxicity, as well as a Doctoral Researcher at Harvard School of Public Health focusing on nanomaterial toxicity and dosimetry improvement, Joel has a strong background in environmental health. Additionally, Joel has worked as an Environmental Scientist at ARCADIS and holds a Doctor of Science degree in Environmental Health from Harvard T.H. Chan School of Public Health.
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Gradient
Gradient is an environmental and risk science consulting firm renowned for our specialties in Toxicology, Epidemiology, Risk Assessment, Product Safety, Contaminant Fate and Transport, Industrial Hygiene, Geographic Information Systems, and Environmental/ Forensic Chemistry. Since 1985, Gradient has employed sound science to assist national and global clients with resolving their complex environmental and human health challenges. Our scientists apply skills and expertise to challenging issues relating to chemicals in the environment, workplace and products. We work in a variety of fields affecting environmental and human health, including: Toxicology & Risk Sciences Exposure & Risk Assessment Epidemiology Ecological Risk Occupational Health & Safety Gene-Environment Interactions Chemistry/Forensics Chemical Fate & Transport Data Quality Management Remedial Strategies Air Quality Geographic Information System (GIS) Climate Impacts Water Resources Cost Recovery/Allocation Environmental Cost Estimation Global Chemical Registration & Notifications GHS Hazard Assessment Safety Data Sheet (SDS) Support Pharmaceuticals/ Biopharmaceuticals Medical Devices Predictive Toxicology Biocompatibility Nanotechnology Food Safety Green Chemistry & Alternatives Assessment