Heather McArthur, M.D.
Titles and Appointments
Professor
- Endowed Title
- Komen Distinguished Chair in Clinical Breast Cancer Research
- School
- Medical School
- Department
- Internal Medicine
- Graduate Programs
- Cancer Biology
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Heather Lynn McArthur, M.D., M.P.H., is a Professor in the Department of Internal Medicine at UT Southwestern Medical Center, and a member of the Division of Hematology and Oncology. She serves as Clinical Director of the Breast Cancer Program at Simmons Cancer Center, and specializes in breast cancer research and treatment.
Originally from Canada, Dr. McArthur received her bachelor's degree from the University of British Columbia in Vancouver. She earned her medical degree at the University of Toronto and completed internal medicine residency training at the University of Calgary. She then received advanced training through a medical oncology fellowship at the University of British Columbia and an advanced clinical research fellowship in breast cancer at Memorial Sloan Kettering Cancer Center in New York. She also holds a master’s degree in public health from Harvard University in Cambridge, Massachusetts.
Dr. McArthur joined the UT Southwestern faculty in 2021. Previously, she served as Medical Director of Breast Oncology at Cedars-Sinai Medical Center in Los Angeles.
At UT Southwestern, she holds the Komen Distinguished Chair in Clinical Breast Cancer Research. Her research focuses on innovations in the diagnosis and treatment of breast cancer, and she has a special interest in developing immunotherapy strategies.
The author of more than 100 research articles and abstracts, she has been a reviewer for medical journals including Cancer, Journal of Clinical Oncology, Nature, and New England Journal of Medicine. She currently serves as an Associate Editor for Breast Cancer Research and on the editorial boards for Cancer and Breast Cancer Research and Treatment.
She also serves on the Alliance for Clinical Trials in Oncology’s Immuno-Oncology Committee Advisory Council, Oncology Education’s Scientific Steering Committee, and the National Cancer Institute’s Breast Immuno-Oncology Task Force of the Breast Cancer Steering Committee.
Dr. McArthur is a member of the American Association for Cancer Research, the American Society of Clinical Oncology, and the Southwest Oncology Group.
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