Professor Patrick Brennan is Professor of Diagnostic Imaging in the Faculty of Medicine and Health at the University of Sydney. He holds a PhD in Anatomy from Queen's University Belfast. A global leader in medical imaging optimisation and perception, Brennan's research specializations include breast cancer screening, radiography student interpretation efficacy, image quality assessment, and the integration of novel technologies such as AI for enhancing diagnostic accuracy in radiology. He chairs the Diagnostic Imaging discipline, leads cancer research in Health Sciences at the University, and previously served as Associate Dean (International) in the Faculty of Health Sciences. Brennan co-founded and serves as CEO of DetectED-X, a University of Sydney spinoff company that develops online training platforms for radiologists and has partnered with organizations like Volpara Health. The company won the Australian Financial Review Higher Education Research Commercialisation Award in 2023.

Brennan has authored over 450 peer-reviewed publications, with more than 8,700 citations on Google Scholar and an h-index reflecting his influence in medical radiation sciences, where he ranks as the world's highest cited researcher. Key publications include 'Markers of Good Performance in Mammography Depend...' (Radiology, 2013, cited over 120 times), 'The Effect of Clinical History on Diagnostic Imaging Interpretation' (Academic Radiology, 2022), 'image quality and the effect of X-ray energy and radiation dose' (British Journal of Radiology, 2023), and contributions to the Breast Screen Reader Assessment Strategy (BREAST) research infrastructure. His innovations include a world-first free online tool for improving COVID-19 diagnosis via chest X-rays (2020). Brennan serves on two government-appointed national advisory bodies, received the Payne-Scott Professorial Distinction from the University of Sydney in 2018 (one of only 14 recipients), and was nominated for Supervisor of the Year in 2016. He has secured major grants, including $300,000 from the Dust Diseases Board for dust disease diagnosis research.

Professional Email: patrick.brennan@sydney.edu.au