External Positions
- Vice-Chairman, Board of Trustees, Primary Care Respiratory Society, 2017
- External Advisor, Review of higher specialist training in general internal medicine, Royal College of Physicians in Ireland, 2015 - 2016
- Chairman, Trial Steering Committee, Refractory Asthma Stratification Programme, 2015 - 2017
- Chairman, Integrated Care Working Group, British Thoracic Society, 2014 - 2015
- Member, DH Respiratory Programme Board, Department of Health, 2009
- Chairman, DH Strategy Group on Asthma, Department of Health, 2009
- Member, Royal College of Physicians, RCP Presidents Prescription Charges Review, 2009
- Chairman, Advisory Board UK Centre for Tobacco Control Studies, UK Centre for Tobacco Control Studies, 2008
- Chairman, NIHR CLAHRCfor Northwest London, Partnership Forum, 2008
- Member, COPD-NSF: Member of the patient focussed outcomes sub group of the external reference group, Department of Health, 2007 - 2009
- Lead Director, London NW Comprehensive Clinical Research Network, NIHR, 2007
- President and President Elect, President, British Thoracic Society, British Thoracic Society, 2007 - 2008
- Member, DH Care Pathway Working Group, Department of Health End of Life Care Strategy, 2006
- Elected Member, RCP Council, Royal College of Physicians of London, 2005 - 2008
- Physician Member, LAS Clinical Steering Committee, London Ambulance Service, 2003
- Physician Vice President, NRTC (US)Trustees Committee, National Respiratory Training Centre (US), 2002
- Physician Chairman of the Trustees, NRTC Trustees Committee, National Respiratory Training Centre (UK), 2000
- Physician Chairman, BTS Executive Committee, British Thoracic Society, 1999 - 2003
- Member, JCHMT Special Advisory Committee on Respiratory Medicine, 1999
- Honorary Chief Medical Adviser, Asthma UK, 1994
- Member of Executive Committee and Chairman of the Dissemination Committee, GINA Executive Committee and Dissemination Committee, Global Initiative for Asthma, 1994 - 2004
- Member, British Thoracic Society/SIGN Asthma Guidelines Executive & Steering Committee, 1990
Membership of Professional Bodies
- European Respiratory Society, Member, 1992
- American Thoracic Society, Member, 1990
Links with Other Academic Bodies
- External Examiner, University College Dublin, 2014 - 2017
- External Examiner, Penang Medical College, 2012 - 2014
- Visiting Professor in Respiratory Medicine, Universiti Teknologi MARA, 2012 - 2015
- Collegiate Associate, The Center for Managing Chronic Diseases, 2007
Editorial Boards
- Annals of Respiratory Medicine, Editorial Board, 2009
- Pakistan Journal of Chest Medicine, Editorial Board Member, 2003
- Thorax, Member of International Advisory Board, 2000
- Patient Education and Counseling, Reviewer, 2000
- Airways Journal, Editor, 1995