Royal College of Physicians of London
Fellow of the Royal College of Physicians of London, 1991
British Association of Cardiovascular Prevention and Rehabilitation (BACPR)
Council Member, 2000-2006
British Cardiovascular Society (BCS)
Member of Council, 2003-2006
Representative for BACPR on the Council of the BCS, promoting the interests of cardiovascular prevention and rehabilitation.
Thalassaemia International Federation (TIF)
Scientific & Medical Adviser, 2000-present
TIF is a World Health Organisation supported, non-governmental body with a remit to provide improved care to patients with Thalassaemia. Dr Walker advises the Scientific Board and helps to write international standards, organise conferences and help select scientific projects for funding support.
UK Thalassaemia Society (UKTS)
Scientific and Medical Adviser – United Kingdom, 2013-present
The UK national charity with a similar remit to TIF (see above), but with specific issues based on national needs.