Elizabeth Gribble Walker, PhD

Dr. Liz Walker joined Critical Path Institute as Assistant Director of the Predictive Safety Testing Consortium in January, 2008. Her professional experience includes preclinical program development and oversight of biologic drugs for auto-immune and oncology indications; design and interpretation of mechanistic toxicology, combination safety, and GLP toxicology studies; and medical writing in support of regulatory submissions. Other scientific interests include biomarkers, validation of animal and alternative in vitro models, developmental toxicology, molecular signaling in cell cycle control, and systems biology approaches to toxicology. Dr. Walker received her doctorate in Toxicology from the University of Washington focusing on mechanisms of low-dose toxicant impact on cell fate during neurodevelopment.