Dr Luen is an early career medical oncologist and translational researcher specialising in breast cancer, sarcoma, early drug development, and precision oncology. In 2021, he completed a PhD supervised by Professor Sherene Loi investigating genomic and immune biomarkers in early-stage breast cancers, and continues to work closely with the laboratory. His current research interests include the development of novel clinical trial approaches for high-risk breast cancers, the early phase development of new therapeutic compounds, and the study of genomic and immune biomarkers in high-risk and treatment-refractory breast cancers.