After undergraduate training in Pharmacology and subsequently Human and Applied Physiology, Dr William Oldfield trained in Medicine at St. George's Hospital Medical School. After general professional training he entered the North West Thames training programme in Respiratory Medicine. During this time he completed a PhD at the National Heart and Lung Institute before being appointed as Consultant in Respiratory Medicine to the Royal Brompton and St. Mary’s Hospitals, London in 2003. He subsequently held a number of clinical management positions at Imperial College Healthcare NHS Trust before joining University Hospitals Bristol in 2018.