Professional Profile
Stephanie Vivanco is a Senior Scientist I in ToxStrategies’ Orange County, California office. Ms. Vivanco is an exposure scientist with experience in human health risk assessment, and extensive expertise in evaluating exposure pathways and health risks associated with various environmental contaminants, industrial processes, and consumer products. Her work includes utilizing systematic review software, such as DistillerSR, to analyze exposure and hazard data, developing conceptual exposure models, and conducting risk-based assessments for environmental media, including air, soil, and groundwater. She has evaluated risks for multiple exposure scenarios, including community and occupational settings, and has provided toxicological support for complex sites under federal and state regulatory frameworks. Ms. Vivanco has contributed to numerous projects, including assessing the risk of tire-wear particles, brake-wear particles, and flame-retardant materials, while also conducting targeted literature reviews and systematic reviews for government and international organizations. She has supported product stewardship and sustainability initiatives by evaluating chemical hazards, identifying safer alternatives, and ensuring regulatory compliance. Her industrial hygiene work encompasses exposure measurements, compliance evaluations, and occupational health strategies, demonstrating her broad capabilities in promoting public and environmental health. Ms. Vivanco is fluent in both English and Spanish.