Sean Szeja, M.D., M.S.

Sean S. Szeja, M.D., M.S., is a radiation oncologist who brings diverse knowledge and experience to City of Hope. He first came to Southern California from Florida to attend Caltech where he double majored in physics and economics, and also engaged in research at the NASA Jet Propulsion Laboratory. He went on to University of Chicago and earned a master's degree in mathematics. After receiving his medical degree from University of Arizona, he completed his internship at the University of Nevada and residency at the University of Texas Medical Branch, with integrated rotations at MD Anderson Cancer Center and Houston Methodist Hospitals. Dr. Szeja served as a chief resident during his fourth year and received the Roentgen Resident Research Award from the Radiological Society of America.

He has co-authored papers in lymphoma, and breast, lung and colorectal cancers, and was recognized by the American Society of Clinical Oncologist's Breast Cancer symposium for his work in demonstrating the benefits of radiation in older patients with triple-negative breast cancer.