Dr William Man is a consultant chest physician at Royal Brompton and Harefield hospitals, where he treats private and NHS patients.

He qualified with distinction honours at Imperial College London in 1997. He went on to train in respiratory and general internal medicine at major London teaching hospitals, including Hammersmith, St Mary’s, Royal Brompton and King’s College hospitals.

In 2007, he received his PhD and then in 2013 his Fellowship of the Royal College of Physicians (FRCP).

Alongside Dr Man's role at Harefield Hospital, he is also a clinical senior lecturer and the National Heart and Lung Institute, Imperial College London.

Clinical expertise

Dr William Man has specialist training in: 

He is based primarily at Harefield Hospital and leads the respiratory medicine department, as well as the sleep, COPD and ambulatory respiratory services (incorporating pulmonary rehabilitation, home oxygen and community diagnostics).

Dr Man has served on the British Thoracic Society specialist advisory groups for COPD and obstructive sleep apnoea.

Research interests

Dr William Man is an international authority on pulmonary rehabilitation and COPD, and an author of national and international guidelines. He has been an invited lecturer at major national and international respiratory conferences. 

His work was recognised with a European Respiratory Society COPD research award for outstanding contribution to COPD research in Europe.

Dr Man’s research group focuses on the phenotyping and non-pharmacological management of patients with chronic respiratory disease, particularly COPD, and is funded by the NIHR, MRC and British Lung Foundation.

Dr Man has received several prestigious research fellowships, including: 

  • a Medical Research Council (MRC) Clinical Research Training Fellowship 
  • a National Institute for Health Research (NIHR) Clinician Scientist Award 
  • a MRC New Investigator award 
  • a NIHR Clinical Trials Fellowship.


Dr William Man has published more than 200 papers and abstracts in major respiratory and general medical journals, including:

  • The Lancet Respiratory Medicine
  • British Medical Journal
  • American Journal of Respiratory and Critical Care Medicine
  • Thorax
  • European Respiratory Journal 
  • Chest.

He is an associate editor for European Respiratory Journal Open Research.