Clark is associate provost for regional campuses and strategic projects and professor of youth, family, and culture at Fuller Theological Seminary. A well-known practitioner, adolescent and family scholar, and author, Clark has more than 30 years’ experience in direct ministry, including 15 years with Young Life, as well as positions with several churches, Denver Seminary, and Youth Specialties. He is the senior editor of Youthworker Journal and president of Foothill Community Ministries, Inc., the parent organization for the ParenTeen and HURT Seminars. Dr. Clark has remained in direct ministry with young people, and is committed to the equipping and training of men and women who recognize the Church's mandate of reaching out to young people in the name of Christ. He is the author of many books, articles, and videos that focus primarily on relationships. Most recently, he published Hurt 2.0 and coauthored Sticky Faith with Fuller’s Kara Powell.