Leif served as a Project Coordinator for Lifelong Faith Formation Services at CMD, and was Project Coordinator for FashioningFaith.org. Leif has worked in family ministry and faith formation on the parish, diocesan, and national levels for over twenty-five years. He has taught courses on family ministry, parish partnership and family spirituality at Loyola University (Chicago), University of Dayton and Mount Angel Seminary in Oregon. Leif has written several books and numerous articles on family life, family ministry, marriage, and youth ministry. Leif now works for Vibrant Faith Ministries.