Dr. Chapman is Director of the Asthma and Airway Centre of the University Health Network, President of the Canadian Network for Respiratory Care and Director of the Canadian Registry for Alpha-1 Antitrypsin Deficiency.

A Professor of Medicine at the University of Toronto, Dr. Chapman is an internationally respected researcher and lecturer in the fields of asthma and COPD.  With more that 20,000 citations to his published work, he is in the top 1% of cited medical researchers.