Peter is a doctor who cares for people with respiratory diseases, and a clinical scientist who investigates the mechanisms and treatment of asthma, chronic obstructive pulmonary disease, cough, and other airway disorders. He is a concept leader who has developed innovative approaches to inflammatory subtypes of asthma and cough; airway biomarkers; neurogenic mechanisms, laryngeal dysfunction and related treatments for refractory cough; multidimensional assessment and management of complex airway disorders such as severe asthma, airways diseases in the elderly, and asthma in pregnant women. His peers have awarded Peter several research medals, and elected him president of the Thoracic Society of Australia and New Zealand (2015–16). His research, clinical practice, and participation in guideline panels serve to bring research developments into focus as effective health care interventions that improve the health of people suffering from breathing disorders.