Courtney Harris is an infectious disease specialist with formal training in transplant infectious disease and infections in immunocompromised patients. She was born in Minnesota, attended the University of Wisconsin-Madison for undergrad, and then medical school at the University of Minnesota. She completed an internal medicine residency and chief residency at Mayo Clinic in Rochester, Minnesota. She then completed her infectious disease fellowship and transplant infectious fellowship at Massachusetts General Hospital and Brigham & Women's Hospital in Boston, MA. During her infectious disease fellowship, she completed the Program for Clinical Effectiveness at the Harvard T.H. Chan School of Public Health. She is board certified in internal medicine and infectious disease. During her training, she was involved in organized medicine as a Board of Trustee for the Minnesota Medical Association and the National Council of Resident and Fellow Members of the American College of Physicians.

She currently is on the American Society for Transplantation Infectious Disease Community of Practice Executive Committee. Her leadership has led to recognition with several awards from her residency program, the Zumbro Valley Medical Society's Outstanding Young Physician Award, and the Massachusetts Infectious Disease Society's Kass Award for Clinical Excellence. She joined the MUSC faculty as an assistant professor and is currently the Program Director of the Transplant Infectious Disease Fellowship Program, Medical Student Infectious Disease Clerkship Director, and Director of the Infectious Disease Cardiac Transplantation Program. She has presented nationally and published literature on improving gender equity in academic medicine, career development in transplant infectious disease, and fungal infection in immunocompromised patients. She continues to work on clinical research projects on infections in patients with ventricular assist devices and medical education scholarship.