Dr. Walker received her doctorate in Environmental Toxicology from the University of California, Riverside. She is a board-certified PhD toxicologist with a passion for turning complex safety data into practical strategies that accelerate innovation and protect people across industries—from consumer products to pharmaceuticals. Dr. Walker specializes in DART, immunotoxicology, and risk assessment, helping teams make informed safety decisions, guide regulatory strategies, and translate science into actionable outcomes.
Dr. Walker has been a member of SOT since 2015. As a trainee, she served as a SOT student representative from 2016–2024 in the following roles: Student Representative (Women in Toxicology), Professional Development Subcommittee Secretary (Graduate Student Leadership Committee), Professional Development Subcommittee Chair (Graduate Student Leadership Committee), Postdoctoral Representative (RSESS, WIT, OTA, and SOT Committee on Diversity Initiatives). Most recently, she held the Sr. Councilor role for the Immunotoxicology Specialty Section. She currently serves as Jr. Councilor for the Women in Toxicology Special Interest Group.