Professional Profile
Ms. Allison Killius is a toxicologist in ToxStrategies’ Causation Analysis practice. She specializes in quantitative human health risk assessment and complex environmental litigation support involving PFAS, metals, VOCs, dioxins, PAHs, pesticides, and other emerging contaminants. Her expertise includes exposure reconstruction, biomonitoring interpretation, dose-response assessment, and specific causation analysis using environmental sampling data, toxicological literature, and epidemiologic evidence. She holds a Master of Environmental Management degree and an Executive Master of Business Administration degree.
Ms. Killius has performed more than 100 human health risk assessments studying oral, dermal, and inhalation exposure to dioxins and PCBs, heavy metals, VOCs, PAHs, food flavoring compounds, fragrance compounds, phthalates, electronic nicotine delivery systems (ENDS), petroleum products, asbestos, and talcum powder. Her recent work has included serving as an expert witness in PFAS NRD litigation, providing deposition testimony on potential human health risks associated with PFAS in ground water, surface water, soils, and biota. She has also served as a consulting expert providing litigation support in multiple East Palestine, Ohio train derailment cases, research support on the chemical hair relaxer MDL, and has conducted many environmental risk assessments of air, water, and soils relating to Clean Water Act, Clean Air Act, and RCRA violations. In her previous work with an American agrochemical company, Ms. Killius managed a fungicide portfolio of more than 20 active ingredients and conducted fungicide-based risk assessments in support of new product registration, label expansion, and scoping projects.