As a child, John’s family began attending Calvary Chapel Costa Mesa in 1974. He attended elementaryand junior high there, and graduated from Calvary Chapel High School. Following graduation he went on staff as a janitor at Calvary Chapel Costa Mesawhere he met his wife Michelle who was teaching at Calvary’s elementary school
After four years on staff having served in the children’s, high school and worship ministries John went on staff at Calvary Chapel Vista, Calif.
In 1997, the Randalls set out on a venture of faith to Florida where they planted their first church, Calvary Chapel Brandon. After 10 years of ministry in Florida the Lord called the Randalls back to Southern California where John currently pastors at Calvary Chapel San Juan Capistrano. John has been serving in pastoral ministry for over 20 years and is the featured speaker on the Bible teaching radio program "A Daily Walk." He is known for his clear and relatable presentation of the Scriptures. John and his wife Michelle have four children.