Patricia Beattie, PhD, DABT, is President and Principal Scientist at Arcalis Scientific.  She has extensive international experience in applied toxicology, risk assessment and chemical regulatory support for the automotive industry, most recently as the Director, Chemical Risk Management, Environmental Services for General Motors.  She has a BS in Chemistry from The University of Arizona, an MS and PHD in Toxicology from The University of Michigan, and is a Diplomate of the American Board of Toxicology (DABT).