JJ Heller was born Jennifer Judy Kellner on October 19, 1980 in San Jose, California.
The San Jose Christian College graduate started her full-time music career in Phoenix, but moved to Nashville in 2006 to take it to the next step. She and her husband Dave release the music through their own record label.
JJ met Dave Heller through Campus Crusade for Christ in California during college. He was a worship leader for her group. They married after college and are the parents of two daughters, Lucy and Nora.