Les oversees several of the adult ministries at Stonebriar. Along with the Adult Life and Equipping  Ministries teams, he encourages men and women to grow in their faith through avenues of Bible study and fellowship, and to express their faith by engaging in various opportunities for service.

Upon leaving premed school, Les spent four years traveling with an evangelism team through the United States, Canada, Mexico, and Guatemala. After graduating from Briercrest Bible College in 1992 with a bachelor's degree in intercultural studies, Les followed God's call to pastoral ministry via Dallas Theological Seminary, where he earned his master of theology degree in education and family ministry in 1996.