Dr. Lori L. Bestervelt holds dual positions with NSF International: senior vice president of NSF’s health sciences division and chief technical officer overseeing NSF’s global network of engineering, chemistry and microbiology laboratories and toxicology services. Dr. Bestervelt holds a Ph.D. in toxicology, a master’s degree in nutritional biochemistry and a bachelor’s degree in microbiology and immunology, all from the University of Michigan. She completed her post-doctoral work in the University of Michigan Medical School’s Biochemistry Department. Prior to joining NSF, she was a scientist at Pfizer. Dr. Bestervelt is a member of the Society of Risk Analysis, the Michigan Society of Toxicology and the advisory board for molecular biology/biology at Eastern Michigan University.