Dr Baron-Hay is physician whose main area of interest is in the management of patients diagnosed with breast and gynaecological malignancies.

 She participates in the Multidisciplinary care of theses malignancies attending weekly multidisciplinary meetings. These meetings are attending also by radiologists, pathologists, surgeons, radiotherapists, clinical nurse specialists and allied health care professionals.

 Her laboratory research interests are discovering new biomarkers of ovarian cancer and their prognostic significance. She also actively participates in clinical trials in breast and gynaecological malignancies. These trials involve the use of new drugs investigating activity in these malignancies as well as trials designed to improve the quality of life of patients. She is actively involved in teaching, both medical students and allied health professional.

 Dr Baron-Hay has admitting rights to North Shore Private Hospital and administers chemotherapy treatments through Genesis Care at the North Shore Health Hub and at the hospital.