About Dr. Ditzel
Dr. Eric Ditzel is a board-certified toxicologist and Diplomate of the American Board of Toxicology (DABT) with over a decade of experience addressing complex environmental health, product safety and regulatory challenges. His expertise spans food and consumer product safety, occupational toxicology, regulatory affairs and product stewardship, including food-contact materials, pesticide registrations and global product compliance. Combining industry and consulting experience, he brings scientific insight and regulatory knowledge to challenges requiring sound technical judgment and practical solutions.
At Onterris, Dr. Ditzel focuses on occupational exposure assessment, human health risk evaluation, contaminated site assessments and litigation support. His work includes evaluating emerging contaminants and hazardous substances, such as microplastics, nanoparticles and petroleum hydrocarbons, to characterize potential health risks and inform protective measures. He provides technical guidance on occupational exposure limits, engineering controls, remediation strategies and the interpretation of complex toxicological evidence.
Dr. Ditzel earned a Bachelor of Science (B.S.) in Biology with a minor in History from The Ohio State University and a Doctor of Philosophy (Ph.D.) in Pharmacology and Toxicology from the University of Arizona. He is a Diplomate of the American Board of Toxicology and a member of the Society of Toxicology and Pacific Northwest Association of Toxicologists. He also holds a 40-hour Hazardous Waste Operations and Emergency Response (HAZWOPER) certification. He has also contributed to numerous peer-reviewed publications and scientific presentations examining the health effects of arsenic exposure, including its impacts on fetal development, metabolic function and liver disease.
