Usha Menon is Professor of Gynaecological Oncology at the MRC Clinical Trials Unit at UCL, UK. She is a clinical trialist with a focus on early detection of ovarian cancer. Her research includes the largest general population (UK Collaborative Trial of Ovarian Cancer Screening) and high-risk (UK Familial Ovarian Cancer Screening Study) ovarian cancer screening trials to date that are the evidence base of current guidelines. large cohort studies exploring genetic and epidemiological risk factors (UK Ovarian Cancer Population Study), symptoms and intervals to diagnosis of cancer (International Cancer Benchmarking Partnership Module 4) and surgical morbidity (UK Gynaecological Oncology Surgical Outcomes and Complications Study). The trial biobanks with over half a million samples including unique longitudinal sets preceding cancer diagnosis and long-term follow-up, support numerous academic and industry research collaborations exploring novel early detection biomarkers and natural history of cancer.