He received a Th. M. and Ph.D. from Dallas Theological Seminary. He has over 25 years of pastoral ministry including 19 years at Sunset Chinese Church, San Francisco that grew from a few hundred to over 1000 people during his time. He is a founding member of The Gospel Coalition along with Tim Keller. He is passionate about gospel centered transformation, training and multicultural church planting. Apart from preaching and teaching he also helps in strategic leadership. He can also be found running half-marathons.