Nancy Y. Lee is a Taiwanese-born American physician and the vice-chair of the Department of Radiation Oncology in Memorial Sloan Kettering's Department of Medicine.
Lee was born in Taiwan and received her bachelor's degree from Barnard College, where she majored in chemistry. She earned her medical degree at the University of Medicine and Dentistry of New Jersey, and completed her residency in Radiation Oncology at the Columbia Presbyterian Medical Center.
Lee has two sons and her husband is an academic ENT surgeon.
Lee specializes in using intensity-modulated radiation therapy (IMRT) to treat thyroid and head and neck cancers. She served as the principal investigator for the Radiation Therapy Oncology Group (RTOG) in a national trial to refine the use of IMRT for treating nasopharyngeal cancer. She is also a member of the RTOG's Head and Neck Cancer Working Group.
Lee was a co-author of the Cancer Immunotherapy Guidelines for Head and Neck Cancer put forward by the Society for Immunotherapy of Cancer. She sits on the editorial board of the Journal of Radiation Oncology. She is also the series editor of the Practical Guides in Radiation Oncology. In 2017 the American Society for Radiation Oncology designated her as a fellow.