Len Kageler, Ph.D, is professor of youth ministry of Nyack College, in Nyack, New York. He began teaching in 1993, after 20 years as a full-time youth pastor. He stays active in youth ministry as a volunteer in junior high ministry, leads seminars for youth workers in the U.S., Europe, and Asia, and is also the executive administrator for the Association of Youth Ministry Educators. Len is the author of several other books, and coauthor of This Way to Youth Ministry Companion Guide.