Dennis Deapen received a B.S. in Psychology in 1975 at Walla Walla College in Washington, a Masters in Public Health – Epidemiology in 1977 at Loma Linda University in California, and a Doctorate in Public Health – Epidemiology at University California Los Angeles in 1982. Currently the Director of the Los Angeles Cancer Surveillance Program, and Professor in the Department of Preventive Medicine, Keck School of Medicine, University of Southern California. He is past president of the North American Association of Central Cancer Registries. Major areas of interest are human health risks of breast implants, epidemiology and etiology of cancer, neurologic and connective tissue diseases, and methods of assessing occupational and socioeconomic determinants of cancer. Dr. Deapen is an expert in developing new methodologies to augment cancer registry data to improve knowledge about first course of therapy. He is an investigator on the CanSORT P01 Survey Development and Data Collection Core.