Vincent is a sessional GP in Belfast and Bangor, County Down with a particular interest in respiratory medicine. He holds three part-time clinical assistantships, one in adult chest medicine at Belfast City Hospital, one in paediatric asthma at the Royal Belfast Hospital for Sick Children and one in accident and emergency medicine at the Ulster Hospital in Dundonald. In 2009 he was appointed as a GPwSI in COPD by the Belfast Trust. Vincent is a member of both the PCRS and BTS and previously sat on the joint BTS/SIGN Guideline Panel reviewing the asthma guidelines. Vincent was a part-time lecturer at the University of Ulster and continues to lecture widely on respiratory medicine, in particular: asthma, prescribing trends and the impact of guidelines. He also carries out pulmonary rehabilitation assessment clinics in the community and was on the steering committee of the National Review of Asthma Deaths.