Mary is the Chief Medical Officer at Austin Health. Mary has held this role since June 2022.

Her portfolios include professional responsibility for Austin Health’s medical staff as well as operational responsibility for pathology, pharmacy, medical workforce and education, clinical governance and the Office for Research.

Mary has extensive experience in the public health sector having previous roles as Medical Director, Patient Safety and Clinical Excellence/Deputy Chief Medical Officer at Austin Health and positions at Eastern Health, including Executive Director Ambulatory Care and Director of Infectious Diseases and Infection Control. Mary continues to have committee membership in both Government and the not-for-profit sector, at both State and National level, related to Quality, Medication Safety, Ambulatory and Aged Care.

Mary has a strong track record in translational research and holds an appointment as Adjunct Clinical Professor with Monash University.

Mary completed her undergraduate medical degree at the University of Melbourne. Mary also has a fellowship of the Royal Australasian College of Physicians (FRACP), a Fellowship in Medical Administration (FRACMA) and Master of Public Health (MPH), Monash University.

She is deeply committed to improving public health and has built her career through a combination of clinical practice, patient safety and quality care, translational research, postgraduate study and publishing.

Professor Mary O'Reilly is a member of the Royal Melbourne Hospital board, and chair of the Community Advisory Committee.