An independent art historian specialising in British art of the nineteenth and early twentieth centuries. She studied at the University of York and Birkbeck College, London. Formerly a curator at Tate Britain she has curated a number of exhibitions and has published widely on J.M.W. Turner, including contributions to the forthcoming online catalogue of the Turner Bequest. She is also co-editor and author of How to Paint Like Turner (Tate Publishing, 2010). In addition, she has published on Walter Richard Sickert and is co-author of Tate's catalogue of works by the Camden Town Group.