General (Internal) Medicine
Sebastian L Johnston graduated from the University of London in 1982. He is Professor of Respiratory Medicine & Allergy at the National Heart and Lung Institute, Imperial College London, and Consultant Physician in Respiratory Medicine & Allergy at St Mary’s Hospital, Imperial Healthcare NHS Trust, London.
He is Director of the Asthma UK Centre in Allergic Mechanisms of Asthma and is the Asthma UK Clinical Professor. His clinical interests are the treatment of asthma, allergies, and general respiratory medicine.