Christie M. Sayes, Ph.D.

Dr. Christie M. Sayes is an expert in material chemistry, exposure science, health effects, and risk assessment. Her work involves collaborating on safety-by-design studies for engineered substances and emerging contaminants in pharmaceuticals, agriculture, and consumer products. Sayes also concentrates on chemical transformations in complex environments. She has expertise in laboratory science and U.S. regulatory frameworks. Her routine work includes validating in vivo models, conducting biological and chemical analyses, studying toxicological mechanisms, using mass spectrometry and electron microscopy, and applying statistical methods.