Simon P. Keefe is James Rossiter Hoyle Chair of Music at the University of Sheffield. He is the author of three books on Mozart, including Mozart's Requiem: Reception, Work, Completion (Cambridge, 2012), which won the 2013 Marjorie Weston Emerson Award. He is also the editor of six volumes for Cambridge University Press, including Mozart Studies (2006) and Mozart Studies 2 (2015), and is general editor of the Royal Musical Association monographs series. In 2005 he was elected a life member of the Academy for Mozart Research at the International Mozart Foundation in Salzburg.