Dr. McMaster joined NCI as a clinical research fellow in the then-Genetic Epidemiology Branch, DCEG, to pursue clinical research in cancer genetics with an emphasis on familial cancer syndromes. She was promoted to staff clinician in 2002 and transferred to the Clinical Genetics Branch (CGB) in 2016. Dr. McMaster received her M.D. from the Bowman Gray School of Medicine of Wake Forest University, then completed residency training in Internal Medicine and a fellowship in Medical Oncology at Vanderbilt University. Following a postdoctoral fellowship in cellular biology at the Lineberger Comprehensive Cancer Center of the University of North Carolina at Chapel Hill, she came to NIH, where she completed training in Clinical Medical Genetics. She served as a Commissioned Officer in the U.S. Public Health Service and was promoted to Captain in 2012. Dr. McMaster retired in December of 2023 but will stay on as a special volunteer.