Dr. Valentine joined the Public Health faculty in Environmental Health Sciences in 1974. She received a B.S. in Chemistry from Tennessee State University in 1967, an M.S. in Water Chemistry from the University of Wisconsin at Madison in 1970, and a Ph.D. in Environmental Health from the University of Texas at Houston in 1973. After finishing her dissertation, Dr. Valentine conducted postdoctoral research in the Lead Screening Laboratory in the Environmental Toxicology Section/Department of Preventive Medicine of the New Jersey College of Medicine and Dentistry (1973-74), where research was undertaken on lead metabolism in humans and trace elements relationships to chelation therapy.
Dr. Valentine currently serves as consultant to NIH and to the EPA Science Advisory Boards. In addition, she serves as a consultant to the Agency for Toxic Substances and Disease Registry (ATSDR). She is a member of the Board of Directors for the American Water Resources Association and the Editorial Board and Board of Directors of the International Society for Trace Element Research in Humans (ISTERH). She also serves as the Registered Environmental Health Specialist program coordinator for the Department.