Ralph R. Cook is Senior Consultant and Director of Epidemiology for the Dow Corning Corporation. He joined the company in 1992. Ralph obtained his undergraduate degree from Hope College, a medical degree from Wayne State University, and a Master of Public Health from the University of Michigan as part of a residency in Occupational Medicine. He also did two years of post-graduate studies in epidemiology at the University of North Carolina, Chapel Hill.

Ralph is a Fellow of the American College of Epidemiology, the American College of Occupational and Environmental Medicine, and the American College of Preventive Medicine. In addition to having been a consultant to a number of national and international health organizations including the National Research Council/National Academy of Sciences, the World Health Organization, the Environmental Protection Agency, the Michigan Council for Environmental Quality, and the California Department of Health Services, he has served on the faculty of the University of Utah and the University of Michigan. He currently is an advisor to the Rocky Mountain Center for Occupational and Environmental Health, and both the Occupational Medicine Residency Program and the Epidemiology Graduate Summer Session of the University of Michigan.

Ralph has been on the editorial boards of the Health &;Environmental Digest and Human and Ecological Risk Assessment. He is the author or coauthor of over 85 publications on topics of epidemiology, ethics, silicone implants, occupational health, medical surveillance, and risk assessment. He is also a peer reviewer for a number of scientific journals and a grant reviewer for the National Institutes of Health.