Sylvie Simmons is a London-born, San Francisco based music journalist, named as a "principal player" in Paul Gorman's book on the history of the rock music press In Their Own Write.
A widely regarded writer and rock historian, she is one of very few women to be included among the predominantly male rock elite. She is also the author of a number of books, including biography and cult fiction.
Simmons worked on her major biography of Leonard Cohen for most of the three-year period from 2009 to 2012. The book, I'm Your Man: The Life of Leonard Cohen, was published in September 2012.