Worship leader best known for his work with the Los Angeles branch of the Pentecostal megachurch Hillsong. He has received significant coverage in the press due to his mentorship of pop superstar Justin Bieber.
He graduated from Tesoro High School in Las Flores, California before majoring in theology at Seattle Pacific University.
In October 2017, he was the subject of an Instagram tribute from Justin Bieber in which the singer thanked him for helping to make him "a better man."
He has a brother named Justin. His parents are Tim and Suezette Mehl.
He and Brian Houston are both known for their affiliation with Hillsong.