Dr. J. Isabelle Choi is an attending radiation oncologist at the New York Proton Center. After completing her undergraduate education at Harvard University, she went on to receive her medical degree from the University of Texas Health Science Center. She then completed her internship at the University of Texas Health Science Center and radiation oncology residency training at Kaiser Permanente Los Angeles Medical Center in California, where she served as Chief Resident. Dr. Choi then joined the California Protons Cancer Therapy Center in San Diego, where she was the Chief of the Thoracic Oncology Service, Chief of the Breast Cancer Service, and Chief of the Gynecologic Service for her institution. Additionally, she served as the Center’s Clinical Director and Associate Director of Clinical Research. She then joined the faculty at the University of Maryland, where she continued to expand the breadth of her prospective clinical trial investigations in proton therapy for breast, thoracic, and upper GI malignancies at the Maryland Proton Treatment Center.

She personally is an accomplished researcher with original research publications in thoracic, breast, skin, and head and neck cancers. Her research focus is in improving outcomes, reducing toxicities, and optimizing the radiotherapy treatment delivery for thoracic, breast, and upper gastrointestinal cancers, and she has given numerous national invited talks on her research in these areas. She is the co-chair of a national multi-center collaborative group trial on partial breast irradiation (PBI) for early stage breast cancer using proton therapy.

Among her select national leadership appointments, Dr. Choi serves as the Chair of the Publications Committee for the Proton Collaborative Group (PCG) and is also a member of the PCG breast cancer committee. She is a member of the Board of Directors of the National Alliance of Proton Therapy (NAPT), and she also serves on the Association’s Strategic Planning Committee. Dr. Choi is also the President of the Korean American Society of Radiation Oncology (KASTRO).