Dr Onon is currently Joint Chief Medical Officer and Responsible Officer at Manchester University NHS Foundation Trust (MFT). She is a Consultant Obstetrician and Gynaecologist and combines her medical leadership responsibilities with frontline clinical work at Saint Mary’s Hospital in Manchester.

She has spent nearly 35 years working in the NHS hospitals sector and has played a key role in overseeing quality and patient safety improvement initiatives, as well as the professional regulation of MFT’s 2800 medical and dental staff. 

Dr Onon will join the Care Quality Commission (CQC) as Chief Inspector of Hospitals in 2025.