Sam Janes is a professor of Respiratory Medicine and head of the respiratory research department at University College London.

Janes is director of the Lung Cancer Board for London Cancer, lead for Pulmonary at the International Society of Cellular Therapies and Vice-Chair of the National Clinical Expert Group on Lung Cancer. He works as a respiratory consultant at UCLH with a particular interest in Lung Cancer, mesothelioma, interventional and diagnostic bronchoscopy and early lung cancer detection.