Keith Justin Hetrick is a Grammy-nominated American songwriter and record producer based in Nashville, Tennessee. He has worked with notable artists such as Jennifer Lopez, Boyz II Men, Snoop Dogg, Charlie Wilson, Shaggy, T.I., Pitbull, Now United, Fifth Harmony, GOT7, NCT, Cher Lloyd, Roy Wang, Nine Percent, Wanna One, Aston Merrygold, Silentó, The Jacksons, Ray Parker Jr., Teddy Riley, Paulina Rubio, Sophia Grace, and Inna.