To explore these policy challenges, the National Cancer Policy Forum held the workshop Policy Issues in the Development of Personalized Medicine in Oncology in June 2009. Experts provided presentations on the current state of personalized medicine technology, as well as issues in the validation of, regulation of, and reimbursement for the predictive tests that underpin personalized medicine. Participants discussed the obstacles and possible solutions to further developing and using personalized medicine technologies. This document summarizes the workshop.