Professor Liz Walker has an international research profile within the field of the sociology of health and gender and its applicability to social work. Her expertise in the area of HIV/AIDS in southern Africa has been influential in the areas of social inequality and stigma. Professor Walker undertakes research into the sociology of chronic illness. She is currently researching service user experiences of type 2 diabetes, obesity and food practices, and she has recently completed a project in the UK entitled ‘Positively Different: Contemporary Understandings of HIV’. Professor Walker is lead researcher for the Social and Psychological Aspects of Research into Long-term health Conditions (SPARC) group and is Associate Director of the Wolfson Palliative Care Research Centre. Her research is based upon a long-term commitment to social justice and emancipatory research practice. She currently supervises 11 PhD students and delivers the social work research and dissertation module.