Professor David Thomas is a leading clinician-scientist in precision oncology, applying genomics to cancer diagnosis and treatment, especially for rare cancers and sarcomas. He has developed methods to identify inherited cancer risks, improved screening for inherited conditions that increase cancer risk and led international clinical trials. He is the inaugural Director of the Centre for Molecular Oncology at the University of New South Wales and Chief Science and Strategy Officer at Omico, a national network supporting cancer care informed by genetic testing. Widely recognised for the quality of his research, in 2024 he was awarded the Cancer Institute NSW Premier’s Award for Outstanding Cancer Researcher of the Year.