This expert has over 30 years of experience working in the toxicology and health risk assessment field. He specializes in evaluating potential human health effects of chemical and microbial agent exposures. In particular, he has experience with evaluation of exposures to asbestos, benzene, carbon monoxide, silica, metals, pesticides, solvents, oil and gas fracking chemicals, other petroleum products, and toxic gases. Additionally, he is a Board-Certified Toxicologist as a Diplomate of the American Board of Toxicology and a Licensed Professional Engineer. Currently, this expert is a toxicologist at a privately owned toxicology and human health risk assessment firm.