Dr William ManPhD FRCP

Consultant chest physician


Dr William Man 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).

Currently he is a consultant chest physician at the Trust and a clinical senior lecturer and the National Heart and Lung Institute, Imperial College London.

Clinical expertise

Dr William Man is a general chest physician with specialist training in:

  • chronic obstructive pulmonary disease (COPD)
  • pulmonary rehabilitation
  • sleep medicine
  • domiciliary ventilation
  • oxygen therapy
  •  interstitial lung diseases (ILD).

He leads the respiratory medicine department at Harefield Hospital, as well as the sleep, COPD and ambulatory respiratory services. This incorporates pulmonary rehabilitation, home oxygen and community diagnostics.

Although Dr Man is a specialist in all aspects of respiratory medicine, he has a particular clinical interest in the diagnosis and management of sleep disorders (such as obstructive sleep apnoea) and respiratory failure. Dr Man also has an international clinical and research reputation for excellence in Chronic Obstructive Pulmonary Disease (COPD), pulmonary rehabilitation, and respiratory muscle disorders.

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


Dr William 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 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 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.


Harefield Hospital

Wimpole Street