Zafar originally trained as a GP in Calderdale and has worked as a consultant in Public Health and a Director of Public Health in the West Midlands since 1994. His interests are prevention of cardiovascular diseases, primary care, infant mortality, health service resource utilisation, prioritisation of health services, community development and links between spatial planning and health. He has led a RCT examining impact of lifestyle services on Framingham risk. Zafar has spoken at many national events on topics that include primary care and public health, obesity, lifestyle services and National Health Service Health Checks. Currently he is a clinical lead in the local NHS Sustainable Transformation Plans to reduce dependency on the urgent care system and upscale prevention in the NHS.
Zafar is a Board member of the Faculty of Public Health as Assistant Registrar. He is currently leading on developing a FPH Public Health Workforce Strategy and Chairs the FPH Pakistan SIG. He sits on the PHE Expert Scientific and Clinical Advisory Panel for National Health Service Health Checks . He is a member of an External Advisory Board for a Minorities Health Disparities Research Unit at The University of Alabama Birmingham USA. Zafar is a Visiting Professor at Staffordshire University and a founding Board member of CHAD, an academic centre specialising in applied research to reduce health inequalities.