Dr. Hellyer graduated magna cum laude from Colorado College with a degree in biochemistry. She went on to attend medical school at University of Colorado where she graduated with honors as a member of the Alpha Omega Alpha honor society. She completed internal medicine residency and subspecialty training in medical oncology at Stanford Hospital in Palo Alto.

During her medical oncology training Dr. Hellyer developed expertise in the treatment of lung cancer, including non-small cell and small cell lung cancers, mesothelioma, and thymic malignancies. She believes in tailoring treatment to each patient and using genetic data from patients’ tumors to help guide treatment. Dr. Hellyer is passionate about improving the lives of patients and advancing the field of oncology through clinical research. She has conducted extensive research into the molecular drivers of lung cancer and the ways in which this information can be used to improve and personalize treatment for patients living with lung cancer.