Caroline Mullen is a Senior Research Fellow at the Institute for Transport Studies (ITS), University of Leeds. Her research focuses on implications of transport and mobility for social, economic and environmental sustainability, with an emphasis on travel needs, active travel and social and health equalities. This involves development of analytic frameworks for policy development and social research methods especially qualitative methods with professionals and public (including deliberative methods, mobile interviews). She is a member of the Faculty Research Ethics committee and school representative for research ethics, and leader of the ITS Social and Political Sciences Research Group.