Dr. Philip E. Castle earned a Ph.D. in Biophysics in 1995 and, in conjunction with his training in the CPFP, a Master’s in Public Health in 2000, both at The Johns Hopkins University, Baltimore, Maryland. He was appointed Director of the Division of Cancer Prevention (DCP) at the National Cancer Institute (NCI) in July 2020. In this role, Dr. Castle oversees the conduct and support of research in cancer prevention, screening and early detection, and prevention and management of symptoms and toxicities in cancer patients. Dr. Castle was previously a tenured professor in the Department of Epidemiology and Population Health at Albert Einstein College of Medicine, Bronx, New York, and a visiting professor at institutions in Singapore, China, and Australia. Dr. Castle previously served as the Chief Scientific Officer of the American Society for Clinical Pathology. Dr. Castle was named NCI Cancer Prevention Fellowship Distinguished Alumnus in 2017 and was honored with the Arthur S. Flemming Award for Government Service in Applied Science, Engineering, and Mathematics in 2010. His professional interests include health disparities, science and translation of cancer prevention strategies, cancer screening, health services research and delivery, epidemiology of HPV and cervical/anogenital cancers, international health, and evidence-based medicine.