Aaron is a liturgist, writer, and pastor in the Chicago area. After leading worship at Mars Hill Church (Grand Rapids, MI) and Willow Creek Church (Barrington, IL), he created "A New Liturgy"- a collection of modern liturgical worship recordings. Shortly after, Aaron started a discipleship-focused, formational, ecumenical, practice-based community at Willow Creek called The Practice. The best part of his life is his wife Shauna and their boys, Henry and Mac.