Laurie is a speaker for public evangelistic events called Harvest Crusades, founded in 1990. They are large-scale evangelistic outreach projects which local churches organize nationally and internationally. Over 5.6 million attendees have participated in Harvest Crusades since they began in 1990. In addition, 1.8 million have reportedly watched the events online. Harvest Crusades have been held in California, Chicago, Seattle, Oregon, Philadelphia, New York, Hawaii, Florida, Texas, North Carolina, New Zealand and Australia. Events have been held at AT&T Stadium in Dallas, TX, Dodger Stadium in Los Angeles, CA, Angel Stadium in Anaheim, CA, and Madison Square Garden in New York, NY. In 2017, Harvest Crusades will include Christian musicians and bands such as Phil Wickham, Switchfoot, Chris Tomlin, and TobyMac.