In 1970, when Laurie was 17 years old, he became a devout Christian while attending Newport Harbor High School under the ministry of evangelist Lonnie Frisbee, as the Jesus Movement was exploding in Southern California.

[5][4] In 1973, at the age of 20, under the mentorship of Calvary Chapel pastor Chuck Smith, Laurie was given the opportunity to lead a Bible study of 30 people in Riverside, California.

[6] The group quickly grew in size, and that same year, Laurie founded the Harvest Christian Fellowship in Riverside, where he still serves as senior pastor.

'"[11] In 2017, Harvest Christian Fellowship became a member of the Southern Baptist Convention, at the request of Laurie, who considered that the latter has important national and international evangelistic programs.

[16] Laurie's sermons are featured on the syndicated half-hour daily program A New Beginning,[17] broadcast on over 1,100 radio stations worldwide.

[19] Laurie is also a guest commentator at WorldNetDaily and appears regularly in a weekly television program called GregLaurie.tv on the Trinity Broadcasting Network (TBN).

[24] On July 24, 2008, Christopher was killed at the scene of a 9 a.m. car accident on the eastbound Riverside Freeway west of Serfas Club Drive in Corona, California.