Andrew "Andy" Marvel (born Andrew Michael Saidenberg, July 2, 1958, New York City) is an American songwriter and record producer based out of New York City. He has written songs for Celine Dion, Diana King, Jessica Simpson and Colleen Fitzpatrick. His songs, including "Shy Guy", "With You", and "Treat Her Like a Lady" have appeared on albums that have sold over 70 million copies worldwide.