Tobias "Toby" Gad (born 12 April 1968) is a Los Angeles-based German music producer/songwriter, best known for co-writing John Legend's biggest hit "All of Me," the highest certified single in RIAA history, and for co-writing and producing "Big Girls Don't Cry" by Fergie and "If I Were a Boy" by Beyoncé. Other notable works include "Skyscraper" for Demi Lovato, "Who You Are" for Jessie J, "Untouched" for The Veronicas, "A Year Without Rain" for Selena Gomez & the Scene, "Don't Hold Your Breath" for Nicole Scherzinger, "Love You More" for JLS, and "I Do" for Colbie Caillat.