Philip Parks, MD, MPH, is the senior director of Medical Affairs, Exact Sciences. He is a board-certified practicing physician with more than 16 years of clinical, corporate medicine, and managed care experience. Dr. Parks served in the US Navy as a diving and undersea medical officer and held technology assessment leadership roles. He received his medical and graduate degrees from Tulane University School of Medicine and Tulane School of Public Health and Tropical Medicine, and Harvard T.H. Chan School of Public Health.