Tommy has led worship at Christian Assembly in Los Angeles, California with his pastor, Mark Pickerill, since 1990. He has traveled with Promise Keepers, Greg Laurie Harvest Crusades and Franklin Graham. He has also been privileged to serve with such church leaders as Jack Hayford, Bill Hybels and Rick Warren. He has recorded worship projects for Maranatha! Music, Integrity Music, and Get Down Ministries.

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