Professor Loi is a Medical Oncologist specialized in breast cancer treatment as well as a clinician scientist with expertise in genomics, immunology and drug development. She is recognised internationally as a leading clinician scientist whose work has led to new insights into the breast cancer immunology field.

After completing Medical Oncology specialist clinical training in Melbourne, Australia, she undertook a PhD and postdoctoral studies at the Institut Jules Bordet in Brussels, Belgium. In 2013, she returned to a Group Leader position at the Peter MacCallum Cancer Centre in Melbourne, as well as Consultant Medical Oncologist in the Breast Service and Head of the Breast Cancer Clinical Trials Unit.

To date, she has published over 285 peer-reviewed research articles with a lifetime H-index of >100. Her recent work has been highly influential: she is ranked in the top 1% of highly cited researchers globally by the Web of Science. She Co-Chairs the International Breast Cancer Study Group (IBCSG) based in Bern, Switzerland, one of the largest global academic breast cancer trial cooperative groups. She is a current holder of the Inaugural National Breast Cancer Foundation (NBCF) of Australia Endowed Chair and in 2021 received one the Prime Ministers’ Awards for Science.